2 * tg3.c: Broadcom Tigon3 ethernet driver.
4 * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
5 * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
6 * Copyright (C) 2004 Sun Microsystems Inc.
7 * Copyright (C) 2005-2010 Broadcom Corporation.
10 * Derived from proprietary unpublished source code,
11 * Copyright (C) 2000-2003 Broadcom Corporation.
13 * Permission is hereby granted for the distribution of this firmware
14 * data in hexadecimal or equivalent format, provided this copyright
15 * notice is accompanying it.
19 #include <linux/module.h>
20 #include <linux/moduleparam.h>
21 #include <linux/stringify.h>
22 #include <linux/kernel.h>
23 #include <linux/types.h>
24 #include <linux/compiler.h>
25 #include <linux/slab.h>
26 #include <linux/delay.h>
28 #include <linux/init.h>
29 #include <linux/ioport.h>
30 #include <linux/pci.h>
31 #include <linux/netdevice.h>
32 #include <linux/etherdevice.h>
33 #include <linux/skbuff.h>
34 #include <linux/ethtool.h>
35 #include <linux/mii.h>
36 #include <linux/phy.h>
37 #include <linux/brcmphy.h>
38 #include <linux/if_vlan.h>
40 #include <linux/tcp.h>
41 #include <linux/workqueue.h>
42 #include <linux/prefetch.h>
43 #include <linux/dma-mapping.h>
44 #include <linux/firmware.h>
46 #include <net/checksum.h>
49 #include <asm/system.h>
51 #include <asm/byteorder.h>
52 #include <asm/uaccess.h>
55 #include <asm/idprom.h>
62 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
63 #define TG3_VLAN_TAG_USED 1
65 #define TG3_VLAN_TAG_USED 0
70 #define DRV_MODULE_NAME "tg3"
72 #define TG3_MIN_NUM 114
73 #define DRV_MODULE_VERSION \
74 __stringify(TG3_MAJ_NUM) "." __stringify(TG3_MIN_NUM)
75 #define DRV_MODULE_RELDATE "September 30, 2010"
77 #define TG3_DEF_MAC_MODE 0
78 #define TG3_DEF_RX_MODE 0
79 #define TG3_DEF_TX_MODE 0
80 #define TG3_DEF_MSG_ENABLE \
90 /* length of time before we decide the hardware is borked,
91 * and dev->tx_timeout() should be called to fix the problem
93 #define TG3_TX_TIMEOUT (5 * HZ)
95 /* hardware minimum and maximum for a single frame's data payload */
96 #define TG3_MIN_MTU 60
97 #define TG3_MAX_MTU(tp) \
98 ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) ? 9000 : 1500)
100 /* These numbers seem to be hard coded in the NIC firmware somehow.
101 * You can't change the ring sizes, but you can change where you place
102 * them in the NIC onboard memory.
104 #define TG3_RX_STD_RING_SIZE(tp) \
105 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 || \
106 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) ? \
107 RX_STD_MAX_SIZE_5717 : 512)
108 #define TG3_DEF_RX_RING_PENDING 200
109 #define TG3_RX_JMB_RING_SIZE(tp) \
110 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 || \
111 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) ? \
113 #define TG3_DEF_RX_JUMBO_RING_PENDING 100
114 #define TG3_RSS_INDIR_TBL_SIZE 128
116 /* Do not place this n-ring entries value into the tp struct itself,
117 * we really want to expose these constants to GCC so that modulo et
118 * al. operations are done with shifts and masks instead of with
119 * hw multiply/modulo instructions. Another solution would be to
120 * replace things like '% foo' with '& (foo - 1)'.
123 #define TG3_TX_RING_SIZE 512
124 #define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
126 #define TG3_RX_STD_RING_BYTES(tp) \
127 (sizeof(struct tg3_rx_buffer_desc) * TG3_RX_STD_RING_SIZE(tp))
128 #define TG3_RX_JMB_RING_BYTES(tp) \
129 (sizeof(struct tg3_ext_rx_buffer_desc) * TG3_RX_JMB_RING_SIZE(tp))
130 #define TG3_RX_RCB_RING_BYTES(tp) \
131 (sizeof(struct tg3_rx_buffer_desc) * (tp->rx_ret_ring_mask + 1))
132 #define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
134 #define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
136 #define TG3_RX_DMA_ALIGN 16
137 #define TG3_RX_HEADROOM ALIGN(VLAN_HLEN, TG3_RX_DMA_ALIGN)
139 #define TG3_DMA_BYTE_ENAB 64
141 #define TG3_RX_STD_DMA_SZ 1536
142 #define TG3_RX_JMB_DMA_SZ 9046
144 #define TG3_RX_DMA_TO_MAP_SZ(x) ((x) + TG3_DMA_BYTE_ENAB)
146 #define TG3_RX_STD_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_STD_DMA_SZ)
147 #define TG3_RX_JMB_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_JMB_DMA_SZ)
149 #define TG3_RX_STD_BUFF_RING_SIZE(tp) \
150 (sizeof(struct ring_info) * TG3_RX_STD_RING_SIZE(tp))
152 #define TG3_RX_JMB_BUFF_RING_SIZE(tp) \
153 (sizeof(struct ring_info) * TG3_RX_JMB_RING_SIZE(tp))
155 /* Due to a hardware bug, the 5701 can only DMA to memory addresses
156 * that are at least dword aligned when used in PCIX mode. The driver
157 * works around this bug by double copying the packet. This workaround
158 * is built into the normal double copy length check for efficiency.
160 * However, the double copy is only necessary on those architectures
161 * where unaligned memory accesses are inefficient. For those architectures
162 * where unaligned memory accesses incur little penalty, we can reintegrate
163 * the 5701 in the normal rx path. Doing so saves a device structure
164 * dereference by hardcoding the double copy threshold in place.
166 #define TG3_RX_COPY_THRESHOLD 256
167 #if NET_IP_ALIGN == 0 || defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)
168 #define TG3_RX_COPY_THRESH(tp) TG3_RX_COPY_THRESHOLD
170 #define TG3_RX_COPY_THRESH(tp) ((tp)->rx_copy_thresh)
173 /* minimum number of free TX descriptors required to wake up TX process */
174 #define TG3_TX_WAKEUP_THRESH(tnapi) ((tnapi)->tx_pending / 4)
176 #define TG3_RAW_IP_ALIGN 2
178 /* number of ETHTOOL_GSTATS u64's */
179 #define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
181 #define TG3_NUM_TEST 6
183 #define TG3_FW_UPDATE_TIMEOUT_SEC 5
185 #define FIRMWARE_TG3 "tigon/tg3.bin"
186 #define FIRMWARE_TG3TSO "tigon/tg3_tso.bin"
187 #define FIRMWARE_TG3TSO5 "tigon/tg3_tso5.bin"
189 static char version[] __devinitdata =
190 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")";
192 MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
193 MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
194 MODULE_LICENSE("GPL");
195 MODULE_VERSION(DRV_MODULE_VERSION);
196 MODULE_FIRMWARE(FIRMWARE_TG3);
197 MODULE_FIRMWARE(FIRMWARE_TG3TSO);
198 MODULE_FIRMWARE(FIRMWARE_TG3TSO5);
200 static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
201 module_param(tg3_debug, int, 0);
202 MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
204 static DEFINE_PCI_DEVICE_TABLE(tg3_pci_tbl) = {
205 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
206 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
207 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
208 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
209 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
210 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
211 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
212 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
213 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
214 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
215 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
216 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
217 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
218 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
219 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
220 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
221 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
222 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
223 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
224 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
225 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
226 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
227 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
228 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
229 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
230 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
231 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
232 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
233 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
234 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
235 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
236 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
237 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
238 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
239 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
240 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
241 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
242 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
243 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
244 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
245 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
246 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
247 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
248 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
249 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
250 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
251 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
252 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
253 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
254 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
255 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
256 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
257 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
258 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
259 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
260 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)},
261 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)},
262 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_G)},
263 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_F)},
264 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)},
265 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
266 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)},
267 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57788)},
268 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5717)},
269 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5718)},
270 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57781)},
271 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57785)},
272 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57761)},
273 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57765)},
274 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57791)},
275 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57795)},
276 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5719)},
277 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
278 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
279 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
280 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
281 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
282 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
283 {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
287 MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
289 static const struct {
290 const char string[ETH_GSTRING_LEN];
291 } ethtool_stats_keys[TG3_NUM_STATS] = {
294 { "rx_ucast_packets" },
295 { "rx_mcast_packets" },
296 { "rx_bcast_packets" },
298 { "rx_align_errors" },
299 { "rx_xon_pause_rcvd" },
300 { "rx_xoff_pause_rcvd" },
301 { "rx_mac_ctrl_rcvd" },
302 { "rx_xoff_entered" },
303 { "rx_frame_too_long_errors" },
305 { "rx_undersize_packets" },
306 { "rx_in_length_errors" },
307 { "rx_out_length_errors" },
308 { "rx_64_or_less_octet_packets" },
309 { "rx_65_to_127_octet_packets" },
310 { "rx_128_to_255_octet_packets" },
311 { "rx_256_to_511_octet_packets" },
312 { "rx_512_to_1023_octet_packets" },
313 { "rx_1024_to_1522_octet_packets" },
314 { "rx_1523_to_2047_octet_packets" },
315 { "rx_2048_to_4095_octet_packets" },
316 { "rx_4096_to_8191_octet_packets" },
317 { "rx_8192_to_9022_octet_packets" },
324 { "tx_flow_control" },
326 { "tx_single_collisions" },
327 { "tx_mult_collisions" },
329 { "tx_excessive_collisions" },
330 { "tx_late_collisions" },
331 { "tx_collide_2times" },
332 { "tx_collide_3times" },
333 { "tx_collide_4times" },
334 { "tx_collide_5times" },
335 { "tx_collide_6times" },
336 { "tx_collide_7times" },
337 { "tx_collide_8times" },
338 { "tx_collide_9times" },
339 { "tx_collide_10times" },
340 { "tx_collide_11times" },
341 { "tx_collide_12times" },
342 { "tx_collide_13times" },
343 { "tx_collide_14times" },
344 { "tx_collide_15times" },
345 { "tx_ucast_packets" },
346 { "tx_mcast_packets" },
347 { "tx_bcast_packets" },
348 { "tx_carrier_sense_errors" },
352 { "dma_writeq_full" },
353 { "dma_write_prioq_full" },
357 { "rx_threshold_hit" },
359 { "dma_readq_full" },
360 { "dma_read_prioq_full" },
361 { "tx_comp_queue_full" },
363 { "ring_set_send_prod_index" },
364 { "ring_status_update" },
366 { "nic_avoided_irqs" },
367 { "nic_tx_threshold_hit" }
370 static const struct {
371 const char string[ETH_GSTRING_LEN];
372 } ethtool_test_keys[TG3_NUM_TEST] = {
373 { "nvram test (online) " },
374 { "link test (online) " },
375 { "register test (offline)" },
376 { "memory test (offline)" },
377 { "loopback test (offline)" },
378 { "interrupt test (offline)" },
381 static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
383 writel(val, tp->regs + off);
386 static u32 tg3_read32(struct tg3 *tp, u32 off)
388 return readl(tp->regs + off);
391 static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val)
393 writel(val, tp->aperegs + off);
396 static u32 tg3_ape_read32(struct tg3 *tp, u32 off)
398 return readl(tp->aperegs + off);
401 static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
405 spin_lock_irqsave(&tp->indirect_lock, flags);
406 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
407 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
408 spin_unlock_irqrestore(&tp->indirect_lock, flags);
411 static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
413 writel(val, tp->regs + off);
414 readl(tp->regs + off);
417 static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
422 spin_lock_irqsave(&tp->indirect_lock, flags);
423 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
424 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
425 spin_unlock_irqrestore(&tp->indirect_lock, flags);
429 static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
433 if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
434 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
435 TG3_64BIT_REG_LOW, val);
438 if (off == TG3_RX_STD_PROD_IDX_REG) {
439 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
440 TG3_64BIT_REG_LOW, val);
444 spin_lock_irqsave(&tp->indirect_lock, flags);
445 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
446 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
447 spin_unlock_irqrestore(&tp->indirect_lock, flags);
449 /* In indirect mode when disabling interrupts, we also need
450 * to clear the interrupt bit in the GRC local ctrl register.
452 if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
454 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
455 tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
459 static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
464 spin_lock_irqsave(&tp->indirect_lock, flags);
465 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
466 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
467 spin_unlock_irqrestore(&tp->indirect_lock, flags);
471 /* usec_wait specifies the wait time in usec when writing to certain registers
472 * where it is unsafe to read back the register without some delay.
473 * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
474 * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
476 static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
478 if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
479 (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
480 /* Non-posted methods */
481 tp->write32(tp, off, val);
484 tg3_write32(tp, off, val);
489 /* Wait again after the read for the posted method to guarantee that
490 * the wait time is met.
496 static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
498 tp->write32_mbox(tp, off, val);
499 if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
500 !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
501 tp->read32_mbox(tp, off);
504 static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
506 void __iomem *mbox = tp->regs + off;
508 if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
510 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
514 static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
516 return readl(tp->regs + off + GRCMBOX_BASE);
519 static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
521 writel(val, tp->regs + off + GRCMBOX_BASE);
524 #define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
525 #define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
526 #define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
527 #define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
528 #define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
530 #define tw32(reg, val) tp->write32(tp, reg, val)
531 #define tw32_f(reg, val) _tw32_flush(tp, (reg), (val), 0)
532 #define tw32_wait_f(reg, val, us) _tw32_flush(tp, (reg), (val), (us))
533 #define tr32(reg) tp->read32(tp, reg)
535 static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
539 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
540 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
543 spin_lock_irqsave(&tp->indirect_lock, flags);
544 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
545 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
546 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
548 /* Always leave this as zero. */
549 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
551 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
552 tw32_f(TG3PCI_MEM_WIN_DATA, val);
554 /* Always leave this as zero. */
555 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
557 spin_unlock_irqrestore(&tp->indirect_lock, flags);
560 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
564 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
565 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
570 spin_lock_irqsave(&tp->indirect_lock, flags);
571 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
572 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
573 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
575 /* Always leave this as zero. */
576 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
578 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
579 *val = tr32(TG3PCI_MEM_WIN_DATA);
581 /* Always leave this as zero. */
582 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
584 spin_unlock_irqrestore(&tp->indirect_lock, flags);
587 static void tg3_ape_lock_init(struct tg3 *tp)
592 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
593 regbase = TG3_APE_LOCK_GRANT;
595 regbase = TG3_APE_PER_LOCK_GRANT;
597 /* Make sure the driver hasn't any stale locks. */
598 for (i = 0; i < 8; i++)
599 tg3_ape_write32(tp, regbase + 4 * i, APE_LOCK_GRANT_DRIVER);
602 static int tg3_ape_lock(struct tg3 *tp, int locknum)
606 u32 status, req, gnt;
608 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
612 case TG3_APE_LOCK_GRC:
613 case TG3_APE_LOCK_MEM:
619 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
620 req = TG3_APE_LOCK_REQ;
621 gnt = TG3_APE_LOCK_GRANT;
623 req = TG3_APE_PER_LOCK_REQ;
624 gnt = TG3_APE_PER_LOCK_GRANT;
629 tg3_ape_write32(tp, req + off, APE_LOCK_REQ_DRIVER);
631 /* Wait for up to 1 millisecond to acquire lock. */
632 for (i = 0; i < 100; i++) {
633 status = tg3_ape_read32(tp, gnt + off);
634 if (status == APE_LOCK_GRANT_DRIVER)
639 if (status != APE_LOCK_GRANT_DRIVER) {
640 /* Revoke the lock request. */
641 tg3_ape_write32(tp, gnt + off,
642 APE_LOCK_GRANT_DRIVER);
650 static void tg3_ape_unlock(struct tg3 *tp, int locknum)
654 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
658 case TG3_APE_LOCK_GRC:
659 case TG3_APE_LOCK_MEM:
665 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
666 gnt = TG3_APE_LOCK_GRANT;
668 gnt = TG3_APE_PER_LOCK_GRANT;
670 tg3_ape_write32(tp, gnt + 4 * locknum, APE_LOCK_GRANT_DRIVER);
673 static void tg3_disable_ints(struct tg3 *tp)
677 tw32(TG3PCI_MISC_HOST_CTRL,
678 (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
679 for (i = 0; i < tp->irq_max; i++)
680 tw32_mailbox_f(tp->napi[i].int_mbox, 0x00000001);
683 static void tg3_enable_ints(struct tg3 *tp)
690 tw32(TG3PCI_MISC_HOST_CTRL,
691 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
693 tp->coal_now = tp->coalesce_mode | HOSTCC_MODE_ENABLE;
694 for (i = 0; i < tp->irq_cnt; i++) {
695 struct tg3_napi *tnapi = &tp->napi[i];
697 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
698 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
699 tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24);
701 tp->coal_now |= tnapi->coal_now;
704 /* Force an initial interrupt */
705 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
706 (tp->napi[0].hw_status->status & SD_STATUS_UPDATED))
707 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
709 tw32(HOSTCC_MODE, tp->coal_now);
711 tp->coal_now &= ~(tp->napi[0].coal_now | tp->napi[1].coal_now);
714 static inline unsigned int tg3_has_work(struct tg3_napi *tnapi)
716 struct tg3 *tp = tnapi->tp;
717 struct tg3_hw_status *sblk = tnapi->hw_status;
718 unsigned int work_exists = 0;
720 /* check for phy events */
721 if (!(tp->tg3_flags &
722 (TG3_FLAG_USE_LINKCHG_REG |
723 TG3_FLAG_POLL_SERDES))) {
724 if (sblk->status & SD_STATUS_LINK_CHG)
727 /* check for RX/TX work to do */
728 if (sblk->idx[0].tx_consumer != tnapi->tx_cons ||
729 *(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
736 * similar to tg3_enable_ints, but it accurately determines whether there
737 * is new work pending and can return without flushing the PIO write
738 * which reenables interrupts
740 static void tg3_int_reenable(struct tg3_napi *tnapi)
742 struct tg3 *tp = tnapi->tp;
744 tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
747 /* When doing tagged status, this work check is unnecessary.
748 * The last_tag we write above tells the chip which piece of
749 * work we've completed.
751 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
753 tw32(HOSTCC_MODE, tp->coalesce_mode |
754 HOSTCC_MODE_ENABLE | tnapi->coal_now);
757 static void tg3_switch_clocks(struct tg3 *tp)
762 if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
763 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
766 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
768 orig_clock_ctrl = clock_ctrl;
769 clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
770 CLOCK_CTRL_CLKRUN_OENABLE |
772 tp->pci_clock_ctrl = clock_ctrl;
774 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
775 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
776 tw32_wait_f(TG3PCI_CLOCK_CTRL,
777 clock_ctrl | CLOCK_CTRL_625_CORE, 40);
779 } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
780 tw32_wait_f(TG3PCI_CLOCK_CTRL,
782 (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
784 tw32_wait_f(TG3PCI_CLOCK_CTRL,
785 clock_ctrl | (CLOCK_CTRL_ALTCLK),
788 tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
791 #define PHY_BUSY_LOOPS 5000
793 static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
799 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
801 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
807 frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
808 MI_COM_PHY_ADDR_MASK);
809 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
810 MI_COM_REG_ADDR_MASK);
811 frame_val |= (MI_COM_CMD_READ | MI_COM_START);
813 tw32_f(MAC_MI_COM, frame_val);
815 loops = PHY_BUSY_LOOPS;
818 frame_val = tr32(MAC_MI_COM);
820 if ((frame_val & MI_COM_BUSY) == 0) {
822 frame_val = tr32(MAC_MI_COM);
830 *val = frame_val & MI_COM_DATA_MASK;
834 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
835 tw32_f(MAC_MI_MODE, tp->mi_mode);
842 static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
848 if ((tp->phy_flags & TG3_PHYFLG_IS_FET) &&
849 (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
852 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
854 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
858 frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) &
859 MI_COM_PHY_ADDR_MASK);
860 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
861 MI_COM_REG_ADDR_MASK);
862 frame_val |= (val & MI_COM_DATA_MASK);
863 frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
865 tw32_f(MAC_MI_COM, frame_val);
867 loops = PHY_BUSY_LOOPS;
870 frame_val = tr32(MAC_MI_COM);
871 if ((frame_val & MI_COM_BUSY) == 0) {
873 frame_val = tr32(MAC_MI_COM);
883 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
884 tw32_f(MAC_MI_MODE, tp->mi_mode);
891 static int tg3_bmcr_reset(struct tg3 *tp)
896 /* OK, reset it, and poll the BMCR_RESET bit until it
897 * clears or we time out.
899 phy_control = BMCR_RESET;
900 err = tg3_writephy(tp, MII_BMCR, phy_control);
906 err = tg3_readphy(tp, MII_BMCR, &phy_control);
910 if ((phy_control & BMCR_RESET) == 0) {
922 static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg)
924 struct tg3 *tp = bp->priv;
927 spin_lock_bh(&tp->lock);
929 if (tg3_readphy(tp, reg, &val))
932 spin_unlock_bh(&tp->lock);
937 static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val)
939 struct tg3 *tp = bp->priv;
942 spin_lock_bh(&tp->lock);
944 if (tg3_writephy(tp, reg, val))
947 spin_unlock_bh(&tp->lock);
952 static int tg3_mdio_reset(struct mii_bus *bp)
957 static void tg3_mdio_config_5785(struct tg3 *tp)
960 struct phy_device *phydev;
962 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
963 switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
964 case PHY_ID_BCM50610:
965 case PHY_ID_BCM50610M:
966 val = MAC_PHYCFG2_50610_LED_MODES;
968 case PHY_ID_BCMAC131:
969 val = MAC_PHYCFG2_AC131_LED_MODES;
971 case PHY_ID_RTL8211C:
972 val = MAC_PHYCFG2_RTL8211C_LED_MODES;
974 case PHY_ID_RTL8201E:
975 val = MAC_PHYCFG2_RTL8201E_LED_MODES;
981 if (phydev->interface != PHY_INTERFACE_MODE_RGMII) {
982 tw32(MAC_PHYCFG2, val);
984 val = tr32(MAC_PHYCFG1);
985 val &= ~(MAC_PHYCFG1_RGMII_INT |
986 MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK);
987 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT;
988 tw32(MAC_PHYCFG1, val);
993 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE))
994 val |= MAC_PHYCFG2_EMODE_MASK_MASK |
995 MAC_PHYCFG2_FMODE_MASK_MASK |
996 MAC_PHYCFG2_GMODE_MASK_MASK |
997 MAC_PHYCFG2_ACT_MASK_MASK |
998 MAC_PHYCFG2_QUAL_MASK_MASK |
999 MAC_PHYCFG2_INBAND_ENABLE;
1001 tw32(MAC_PHYCFG2, val);
1003 val = tr32(MAC_PHYCFG1);
1004 val &= ~(MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK |
1005 MAC_PHYCFG1_RGMII_EXT_RX_DEC | MAC_PHYCFG1_RGMII_SND_STAT_EN);
1006 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE)) {
1007 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1008 val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC;
1009 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1010 val |= MAC_PHYCFG1_RGMII_SND_STAT_EN;
1012 val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT |
1013 MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV;
1014 tw32(MAC_PHYCFG1, val);
1016 val = tr32(MAC_EXT_RGMII_MODE);
1017 val &= ~(MAC_RGMII_MODE_RX_INT_B |
1018 MAC_RGMII_MODE_RX_QUALITY |
1019 MAC_RGMII_MODE_RX_ACTIVITY |
1020 MAC_RGMII_MODE_RX_ENG_DET |
1021 MAC_RGMII_MODE_TX_ENABLE |
1022 MAC_RGMII_MODE_TX_LOWPWR |
1023 MAC_RGMII_MODE_TX_RESET);
1024 if (!(tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE)) {
1025 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1026 val |= MAC_RGMII_MODE_RX_INT_B |
1027 MAC_RGMII_MODE_RX_QUALITY |
1028 MAC_RGMII_MODE_RX_ACTIVITY |
1029 MAC_RGMII_MODE_RX_ENG_DET;
1030 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1031 val |= MAC_RGMII_MODE_TX_ENABLE |
1032 MAC_RGMII_MODE_TX_LOWPWR |
1033 MAC_RGMII_MODE_TX_RESET;
1035 tw32(MAC_EXT_RGMII_MODE, val);
1038 static void tg3_mdio_start(struct tg3 *tp)
1040 tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL;
1041 tw32_f(MAC_MI_MODE, tp->mi_mode);
1044 if ((tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) &&
1045 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1046 tg3_mdio_config_5785(tp);
1049 static int tg3_mdio_init(struct tg3 *tp)
1053 struct phy_device *phydev;
1055 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
1056 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) {
1059 tp->phy_addr = PCI_FUNC(tp->pdev->devfn) + 1;
1061 if (tp->pci_chip_rev_id != CHIPREV_ID_5717_A0)
1062 is_serdes = tr32(SG_DIG_STATUS) & SG_DIG_IS_SERDES;
1064 is_serdes = tr32(TG3_CPMU_PHY_STRAP) &
1065 TG3_CPMU_PHY_STRAP_IS_SERDES;
1069 tp->phy_addr = TG3_PHY_MII_ADDR;
1073 if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) ||
1074 (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED))
1077 tp->mdio_bus = mdiobus_alloc();
1078 if (tp->mdio_bus == NULL)
1081 tp->mdio_bus->name = "tg3 mdio bus";
1082 snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x",
1083 (tp->pdev->bus->number << 8) | tp->pdev->devfn);
1084 tp->mdio_bus->priv = tp;
1085 tp->mdio_bus->parent = &tp->pdev->dev;
1086 tp->mdio_bus->read = &tg3_mdio_read;
1087 tp->mdio_bus->write = &tg3_mdio_write;
1088 tp->mdio_bus->reset = &tg3_mdio_reset;
1089 tp->mdio_bus->phy_mask = ~(1 << TG3_PHY_MII_ADDR);
1090 tp->mdio_bus->irq = &tp->mdio_irq[0];
1092 for (i = 0; i < PHY_MAX_ADDR; i++)
1093 tp->mdio_bus->irq[i] = PHY_POLL;
1095 /* The bus registration will look for all the PHYs on the mdio bus.
1096 * Unfortunately, it does not ensure the PHY is powered up before
1097 * accessing the PHY ID registers. A chip reset is the
1098 * quickest way to bring the device back to an operational state..
1100 if (tg3_readphy(tp, MII_BMCR, ®) || (reg & BMCR_PDOWN))
1103 i = mdiobus_register(tp->mdio_bus);
1105 dev_warn(&tp->pdev->dev, "mdiobus_reg failed (0x%x)\n", i);
1106 mdiobus_free(tp->mdio_bus);
1110 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1112 if (!phydev || !phydev->drv) {
1113 dev_warn(&tp->pdev->dev, "No PHY devices\n");
1114 mdiobus_unregister(tp->mdio_bus);
1115 mdiobus_free(tp->mdio_bus);
1119 switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
1120 case PHY_ID_BCM57780:
1121 phydev->interface = PHY_INTERFACE_MODE_GMII;
1122 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
1124 case PHY_ID_BCM50610:
1125 case PHY_ID_BCM50610M:
1126 phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE |
1127 PHY_BRCM_RX_REFCLK_UNUSED |
1128 PHY_BRCM_DIS_TXCRXC_NOENRGY |
1129 PHY_BRCM_AUTO_PWRDWN_ENABLE;
1130 if (tp->tg3_flags3 & TG3_FLG3_RGMII_INBAND_DISABLE)
1131 phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
1132 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
1133 phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE;
1134 if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_TX_EN)
1135 phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE;
1137 case PHY_ID_RTL8211C:
1138 phydev->interface = PHY_INTERFACE_MODE_RGMII;
1140 case PHY_ID_RTL8201E:
1141 case PHY_ID_BCMAC131:
1142 phydev->interface = PHY_INTERFACE_MODE_MII;
1143 phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
1144 tp->phy_flags |= TG3_PHYFLG_IS_FET;
1148 tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED;
1150 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
1151 tg3_mdio_config_5785(tp);
1156 static void tg3_mdio_fini(struct tg3 *tp)
1158 if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) {
1159 tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_INITED;
1160 mdiobus_unregister(tp->mdio_bus);
1161 mdiobus_free(tp->mdio_bus);
1165 static int tg3_phy_cl45_write(struct tg3 *tp, u32 devad, u32 addr, u32 val)
1169 err = tg3_writephy(tp, MII_TG3_MMD_CTRL, devad);
1173 err = tg3_writephy(tp, MII_TG3_MMD_ADDRESS, addr);
1177 err = tg3_writephy(tp, MII_TG3_MMD_CTRL,
1178 MII_TG3_MMD_CTRL_DATA_NOINC | devad);
1182 err = tg3_writephy(tp, MII_TG3_MMD_ADDRESS, val);
1188 static int tg3_phy_cl45_read(struct tg3 *tp, u32 devad, u32 addr, u32 *val)
1192 err = tg3_writephy(tp, MII_TG3_MMD_CTRL, devad);
1196 err = tg3_writephy(tp, MII_TG3_MMD_ADDRESS, addr);
1200 err = tg3_writephy(tp, MII_TG3_MMD_CTRL,
1201 MII_TG3_MMD_CTRL_DATA_NOINC | devad);
1205 err = tg3_readphy(tp, MII_TG3_MMD_ADDRESS, val);
1211 /* tp->lock is held. */
1212 static inline void tg3_generate_fw_event(struct tg3 *tp)
1216 val = tr32(GRC_RX_CPU_EVENT);
1217 val |= GRC_RX_CPU_DRIVER_EVENT;
1218 tw32_f(GRC_RX_CPU_EVENT, val);
1220 tp->last_event_jiffies = jiffies;
1223 #define TG3_FW_EVENT_TIMEOUT_USEC 2500
1225 /* tp->lock is held. */
1226 static void tg3_wait_for_event_ack(struct tg3 *tp)
1229 unsigned int delay_cnt;
1232 /* If enough time has passed, no wait is necessary. */
1233 time_remain = (long)(tp->last_event_jiffies + 1 +
1234 usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) -
1236 if (time_remain < 0)
1239 /* Check if we can shorten the wait time. */
1240 delay_cnt = jiffies_to_usecs(time_remain);
1241 if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC)
1242 delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC;
1243 delay_cnt = (delay_cnt >> 3) + 1;
1245 for (i = 0; i < delay_cnt; i++) {
1246 if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT))
1252 /* tp->lock is held. */
1253 static void tg3_ump_link_report(struct tg3 *tp)
1258 if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1259 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1262 tg3_wait_for_event_ack(tp);
1264 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE);
1266 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14);
1269 if (!tg3_readphy(tp, MII_BMCR, ®))
1271 if (!tg3_readphy(tp, MII_BMSR, ®))
1272 val |= (reg & 0xffff);
1273 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, val);
1276 if (!tg3_readphy(tp, MII_ADVERTISE, ®))
1278 if (!tg3_readphy(tp, MII_LPA, ®))
1279 val |= (reg & 0xffff);
1280 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 4, val);
1283 if (!(tp->phy_flags & TG3_PHYFLG_MII_SERDES)) {
1284 if (!tg3_readphy(tp, MII_CTRL1000, ®))
1286 if (!tg3_readphy(tp, MII_STAT1000, ®))
1287 val |= (reg & 0xffff);
1289 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 8, val);
1291 if (!tg3_readphy(tp, MII_PHYADDR, ®))
1295 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val);
1297 tg3_generate_fw_event(tp);
1300 static void tg3_link_report(struct tg3 *tp)
1302 if (!netif_carrier_ok(tp->dev)) {
1303 netif_info(tp, link, tp->dev, "Link is down\n");
1304 tg3_ump_link_report(tp);
1305 } else if (netif_msg_link(tp)) {
1306 netdev_info(tp->dev, "Link is up at %d Mbps, %s duplex\n",
1307 (tp->link_config.active_speed == SPEED_1000 ?
1309 (tp->link_config.active_speed == SPEED_100 ?
1311 (tp->link_config.active_duplex == DUPLEX_FULL ?
1314 netdev_info(tp->dev, "Flow control is %s for TX and %s for RX\n",
1315 (tp->link_config.active_flowctrl & FLOW_CTRL_TX) ?
1317 (tp->link_config.active_flowctrl & FLOW_CTRL_RX) ?
1319 tg3_ump_link_report(tp);
1323 static u16 tg3_advert_flowctrl_1000T(u8 flow_ctrl)
1327 if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1328 miireg = ADVERTISE_PAUSE_CAP;
1329 else if (flow_ctrl & FLOW_CTRL_TX)
1330 miireg = ADVERTISE_PAUSE_ASYM;
1331 else if (flow_ctrl & FLOW_CTRL_RX)
1332 miireg = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1339 static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl)
1343 if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX))
1344 miireg = ADVERTISE_1000XPAUSE;
1345 else if (flow_ctrl & FLOW_CTRL_TX)
1346 miireg = ADVERTISE_1000XPSE_ASYM;
1347 else if (flow_ctrl & FLOW_CTRL_RX)
1348 miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM;
1355 static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv)
1359 if (lcladv & ADVERTISE_1000XPAUSE) {
1360 if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1361 if (rmtadv & LPA_1000XPAUSE)
1362 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1363 else if (rmtadv & LPA_1000XPAUSE_ASYM)
1366 if (rmtadv & LPA_1000XPAUSE)
1367 cap = FLOW_CTRL_TX | FLOW_CTRL_RX;
1369 } else if (lcladv & ADVERTISE_1000XPSE_ASYM) {
1370 if ((rmtadv & LPA_1000XPAUSE) && (rmtadv & LPA_1000XPAUSE_ASYM))
1377 static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
1381 u32 old_rx_mode = tp->rx_mode;
1382 u32 old_tx_mode = tp->tx_mode;
1384 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
1385 autoneg = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]->autoneg;
1387 autoneg = tp->link_config.autoneg;
1389 if (autoneg == AUTONEG_ENABLE &&
1390 (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)) {
1391 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
1392 flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv);
1394 flowctrl = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
1396 flowctrl = tp->link_config.flowctrl;
1398 tp->link_config.active_flowctrl = flowctrl;
1400 if (flowctrl & FLOW_CTRL_RX)
1401 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1403 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1405 if (old_rx_mode != tp->rx_mode)
1406 tw32_f(MAC_RX_MODE, tp->rx_mode);
1408 if (flowctrl & FLOW_CTRL_TX)
1409 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1411 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1413 if (old_tx_mode != tp->tx_mode)
1414 tw32_f(MAC_TX_MODE, tp->tx_mode);
1417 static void tg3_adjust_link(struct net_device *dev)
1419 u8 oldflowctrl, linkmesg = 0;
1420 u32 mac_mode, lcl_adv, rmt_adv;
1421 struct tg3 *tp = netdev_priv(dev);
1422 struct phy_device *phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1424 spin_lock_bh(&tp->lock);
1426 mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK |
1427 MAC_MODE_HALF_DUPLEX);
1429 oldflowctrl = tp->link_config.active_flowctrl;
1435 if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
1436 mac_mode |= MAC_MODE_PORT_MODE_MII;
1437 else if (phydev->speed == SPEED_1000 ||
1438 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785)
1439 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1441 mac_mode |= MAC_MODE_PORT_MODE_MII;
1443 if (phydev->duplex == DUPLEX_HALF)
1444 mac_mode |= MAC_MODE_HALF_DUPLEX;
1446 lcl_adv = tg3_advert_flowctrl_1000T(
1447 tp->link_config.flowctrl);
1450 rmt_adv = LPA_PAUSE_CAP;
1451 if (phydev->asym_pause)
1452 rmt_adv |= LPA_PAUSE_ASYM;
1455 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
1457 mac_mode |= MAC_MODE_PORT_MODE_GMII;
1459 if (mac_mode != tp->mac_mode) {
1460 tp->mac_mode = mac_mode;
1461 tw32_f(MAC_MODE, tp->mac_mode);
1465 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
1466 if (phydev->speed == SPEED_10)
1468 MAC_MI_STAT_10MBPS_MODE |
1469 MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1471 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
1474 if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF)
1475 tw32(MAC_TX_LENGTHS,
1476 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1477 (6 << TX_LENGTHS_IPG_SHIFT) |
1478 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
1480 tw32(MAC_TX_LENGTHS,
1481 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
1482 (6 << TX_LENGTHS_IPG_SHIFT) |
1483 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
1485 if ((phydev->link && tp->link_config.active_speed == SPEED_INVALID) ||
1486 (!phydev->link && tp->link_config.active_speed != SPEED_INVALID) ||
1487 phydev->speed != tp->link_config.active_speed ||
1488 phydev->duplex != tp->link_config.active_duplex ||
1489 oldflowctrl != tp->link_config.active_flowctrl)
1492 tp->link_config.active_speed = phydev->speed;
1493 tp->link_config.active_duplex = phydev->duplex;
1495 spin_unlock_bh(&tp->lock);
1498 tg3_link_report(tp);
1501 static int tg3_phy_init(struct tg3 *tp)
1503 struct phy_device *phydev;
1505 if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED)
1508 /* Bring the PHY back to a known state. */
1511 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1513 /* Attach the MAC to the PHY. */
1514 phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link,
1515 phydev->dev_flags, phydev->interface);
1516 if (IS_ERR(phydev)) {
1517 dev_err(&tp->pdev->dev, "Could not attach to PHY\n");
1518 return PTR_ERR(phydev);
1521 /* Mask with MAC supported features. */
1522 switch (phydev->interface) {
1523 case PHY_INTERFACE_MODE_GMII:
1524 case PHY_INTERFACE_MODE_RGMII:
1525 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
1526 phydev->supported &= (PHY_GBIT_FEATURES |
1528 SUPPORTED_Asym_Pause);
1532 case PHY_INTERFACE_MODE_MII:
1533 phydev->supported &= (PHY_BASIC_FEATURES |
1535 SUPPORTED_Asym_Pause);
1538 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1542 tp->phy_flags |= TG3_PHYFLG_IS_CONNECTED;
1544 phydev->advertising = phydev->supported;
1549 static void tg3_phy_start(struct tg3 *tp)
1551 struct phy_device *phydev;
1553 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
1556 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
1558 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) {
1559 tp->phy_flags &= ~TG3_PHYFLG_IS_LOW_POWER;
1560 phydev->speed = tp->link_config.orig_speed;
1561 phydev->duplex = tp->link_config.orig_duplex;
1562 phydev->autoneg = tp->link_config.orig_autoneg;
1563 phydev->advertising = tp->link_config.orig_advertising;
1568 phy_start_aneg(phydev);
1571 static void tg3_phy_stop(struct tg3 *tp)
1573 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
1576 phy_stop(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1579 static void tg3_phy_fini(struct tg3 *tp)
1581 if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) {
1582 phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
1583 tp->phy_flags &= ~TG3_PHYFLG_IS_CONNECTED;
1587 static int tg3_phydsp_read(struct tg3 *tp, u32 reg, u32 *val)
1591 err = tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
1593 err = tg3_readphy(tp, MII_TG3_DSP_RW_PORT, val);
1598 static int tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val)
1602 err = tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg);
1604 err = tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val);
1609 static void tg3_phy_fet_toggle_apd(struct tg3 *tp, bool enable)
1613 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
1616 tg3_writephy(tp, MII_TG3_FET_TEST,
1617 phytest | MII_TG3_FET_SHADOW_EN);
1618 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXSTAT2, &phy)) {
1620 phy |= MII_TG3_FET_SHDW_AUXSTAT2_APD;
1622 phy &= ~MII_TG3_FET_SHDW_AUXSTAT2_APD;
1623 tg3_writephy(tp, MII_TG3_FET_SHDW_AUXSTAT2, phy);
1625 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
1629 static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
1633 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1634 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
1635 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) &&
1636 (tp->phy_flags & TG3_PHYFLG_MII_SERDES)))
1639 if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
1640 tg3_phy_fet_toggle_apd(tp, enable);
1644 reg = MII_TG3_MISC_SHDW_WREN |
1645 MII_TG3_MISC_SHDW_SCR5_SEL |
1646 MII_TG3_MISC_SHDW_SCR5_LPED |
1647 MII_TG3_MISC_SHDW_SCR5_DLPTLM |
1648 MII_TG3_MISC_SHDW_SCR5_SDTL |
1649 MII_TG3_MISC_SHDW_SCR5_C125OE;
1650 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 || !enable)
1651 reg |= MII_TG3_MISC_SHDW_SCR5_DLLAPD;
1653 tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1656 reg = MII_TG3_MISC_SHDW_WREN |
1657 MII_TG3_MISC_SHDW_APD_SEL |
1658 MII_TG3_MISC_SHDW_APD_WKTM_84MS;
1660 reg |= MII_TG3_MISC_SHDW_APD_ENABLE;
1662 tg3_writephy(tp, MII_TG3_MISC_SHDW, reg);
1665 static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
1669 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
1670 (tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
1673 if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
1676 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &ephy)) {
1677 u32 reg = MII_TG3_FET_SHDW_MISCCTRL;
1679 tg3_writephy(tp, MII_TG3_FET_TEST,
1680 ephy | MII_TG3_FET_SHADOW_EN);
1681 if (!tg3_readphy(tp, reg, &phy)) {
1683 phy |= MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1685 phy &= ~MII_TG3_FET_SHDW_MISCCTRL_MDIX;
1686 tg3_writephy(tp, reg, phy);
1688 tg3_writephy(tp, MII_TG3_FET_TEST, ephy);
1691 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
1692 MII_TG3_AUXCTL_SHDWSEL_MISC;
1693 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
1694 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
1696 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1698 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
1699 phy |= MII_TG3_AUXCTL_MISC_WREN;
1700 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1705 static void tg3_phy_set_wirespeed(struct tg3 *tp)
1709 if (tp->phy_flags & TG3_PHYFLG_NO_ETH_WIRE_SPEED)
1712 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
1713 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
1714 tg3_writephy(tp, MII_TG3_AUX_CTRL,
1715 (val | (1 << 15) | (1 << 4)));
1718 static void tg3_phy_apply_otp(struct tg3 *tp)
1727 /* Enable SM_DSP clock and tx 6dB coding. */
1728 phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1729 MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
1730 MII_TG3_AUXCTL_ACTL_TX_6DB;
1731 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1733 phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
1734 phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
1735 tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy);
1737 phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) |
1738 ((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT);
1739 tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy);
1741 phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT);
1742 phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ;
1743 tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy);
1745 phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT);
1746 tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy);
1748 phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT);
1749 tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy);
1751 phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) |
1752 ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
1753 tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
1755 /* Turn off SM_DSP clock. */
1756 phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
1757 MII_TG3_AUXCTL_ACTL_TX_6DB;
1758 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
1761 static void tg3_phy_eee_adjust(struct tg3 *tp, u32 current_link_up)
1765 if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP))
1770 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
1771 current_link_up == 1 &&
1772 (tp->link_config.active_speed == SPEED_1000 ||
1773 (tp->link_config.active_speed == SPEED_100 &&
1774 tp->link_config.active_duplex == DUPLEX_FULL))) {
1777 if (tp->link_config.active_speed == SPEED_1000)
1778 eeectl = TG3_CPMU_EEE_CTRL_EXIT_16_5_US;
1780 eeectl = TG3_CPMU_EEE_CTRL_EXIT_36_US;
1782 tw32(TG3_CPMU_EEE_CTRL, eeectl);
1784 tg3_phy_cl45_read(tp, 0x7, TG3_CL45_D7_EEERES_STAT, &val);
1786 if (val == TG3_CL45_D7_EEERES_STAT_LP_1000T ||
1787 val == TG3_CL45_D7_EEERES_STAT_LP_100TX)
1791 if (!tp->setlpicnt) {
1792 val = tr32(TG3_CPMU_EEE_MODE);
1793 tw32(TG3_CPMU_EEE_MODE, val & ~TG3_CPMU_EEEMD_LPI_ENABLE);
1797 static int tg3_wait_macro_done(struct tg3 *tp)
1804 if (!tg3_readphy(tp, MII_TG3_DSP_CONTROL, &tmp32)) {
1805 if ((tmp32 & 0x1000) == 0)
1815 static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
1817 static const u32 test_pat[4][6] = {
1818 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
1819 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
1820 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
1821 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
1825 for (chan = 0; chan < 4; chan++) {
1828 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1829 (chan * 0x2000) | 0x0200);
1830 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0002);
1832 for (i = 0; i < 6; i++)
1833 tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
1836 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0202);
1837 if (tg3_wait_macro_done(tp)) {
1842 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1843 (chan * 0x2000) | 0x0200);
1844 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0082);
1845 if (tg3_wait_macro_done(tp)) {
1850 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0802);
1851 if (tg3_wait_macro_done(tp)) {
1856 for (i = 0; i < 6; i += 2) {
1859 if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
1860 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
1861 tg3_wait_macro_done(tp)) {
1867 if (low != test_pat[chan][i] ||
1868 high != test_pat[chan][i+1]) {
1869 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
1870 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
1871 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
1881 static int tg3_phy_reset_chanpat(struct tg3 *tp)
1885 for (chan = 0; chan < 4; chan++) {
1888 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
1889 (chan * 0x2000) | 0x0200);
1890 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0002);
1891 for (i = 0; i < 6; i++)
1892 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
1893 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0202);
1894 if (tg3_wait_macro_done(tp))
1901 static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
1903 u32 reg32, phy9_orig;
1904 int retries, do_phy_reset, err;
1910 err = tg3_bmcr_reset(tp);
1916 /* Disable transmitter and interrupt. */
1917 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32))
1921 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1923 /* Set full-duplex, 1000 mbps. */
1924 tg3_writephy(tp, MII_BMCR,
1925 BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
1927 /* Set to master mode. */
1928 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
1931 tg3_writephy(tp, MII_TG3_CTRL,
1932 (MII_TG3_CTRL_AS_MASTER |
1933 MII_TG3_CTRL_ENABLE_AS_MASTER));
1935 /* Enable SM_DSP_CLOCK and 6dB. */
1936 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1938 /* Block the PHY control access. */
1939 tg3_phydsp_write(tp, 0x8005, 0x0800);
1941 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
1944 } while (--retries);
1946 err = tg3_phy_reset_chanpat(tp);
1950 tg3_phydsp_write(tp, 0x8005, 0x0000);
1952 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
1953 tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0000);
1955 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1956 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1957 /* Set Extended packet length bit for jumbo frames */
1958 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
1960 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1963 tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
1965 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32)) {
1967 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
1974 /* This will reset the tigon3 PHY if there is no valid
1975 * link unless the FORCE argument is non-zero.
1977 static int tg3_phy_reset(struct tg3 *tp)
1982 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1983 val = tr32(GRC_MISC_CFG);
1984 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1987 err = tg3_readphy(tp, MII_BMSR, &val);
1988 err |= tg3_readphy(tp, MII_BMSR, &val);
1992 if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1993 netif_carrier_off(tp->dev);
1994 tg3_link_report(tp);
1997 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1998 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1999 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
2000 err = tg3_phy_reset_5703_4_5(tp);
2007 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
2008 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
2009 cpmuctrl = tr32(TG3_CPMU_CTRL);
2010 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY)
2012 cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY);
2015 err = tg3_bmcr_reset(tp);
2019 if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) {
2020 val = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz;
2021 tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, val);
2023 tw32(TG3_CPMU_CTRL, cpmuctrl);
2026 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
2027 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
2028 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
2029 if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) ==
2030 CPMU_LSPD_1000MB_MACCLK_12_5) {
2031 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
2033 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
2037 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
2038 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) &&
2039 (tp->phy_flags & TG3_PHYFLG_MII_SERDES))
2042 tg3_phy_apply_otp(tp);
2044 if (tp->phy_flags & TG3_PHYFLG_ENABLE_APD)
2045 tg3_phy_toggle_apd(tp, true);
2047 tg3_phy_toggle_apd(tp, false);
2050 if (tp->phy_flags & TG3_PHYFLG_ADC_BUG) {
2051 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
2052 tg3_phydsp_write(tp, 0x201f, 0x2aaa);
2053 tg3_phydsp_write(tp, 0x000a, 0x0323);
2054 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
2056 if (tp->phy_flags & TG3_PHYFLG_5704_A0_BUG) {
2057 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68);
2058 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68);
2060 if (tp->phy_flags & TG3_PHYFLG_BER_BUG) {
2061 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
2062 tg3_phydsp_write(tp, 0x000a, 0x310b);
2063 tg3_phydsp_write(tp, 0x201f, 0x9506);
2064 tg3_phydsp_write(tp, 0x401f, 0x14e2);
2065 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
2066 } else if (tp->phy_flags & TG3_PHYFLG_JITTER_BUG) {
2067 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
2068 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
2069 if (tp->phy_flags & TG3_PHYFLG_ADJUST_TRIM) {
2070 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
2071 tg3_writephy(tp, MII_TG3_TEST1,
2072 MII_TG3_TEST1_TRIM_EN | 0x4);
2074 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
2075 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
2077 /* Set Extended packet length bit (bit 14) on all chips that */
2078 /* support jumbo frames */
2079 if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
2080 /* Cannot do read-modify-write on 5401 */
2081 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
2082 } else if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
2083 /* Set bit 14 with read-modify-write to preserve other bits */
2084 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
2085 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
2086 tg3_writephy(tp, MII_TG3_AUX_CTRL, val | 0x4000);
2089 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
2090 * jumbo frames transmission.
2092 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
2093 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &val))
2094 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2095 val | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
2098 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2099 /* adjust output voltage */
2100 tg3_writephy(tp, MII_TG3_FET_PTEST, 0x12);
2103 tg3_phy_toggle_automdix(tp, 1);
2104 tg3_phy_set_wirespeed(tp);
2108 static void tg3_frob_aux_power(struct tg3 *tp)
2110 struct tg3 *tp_peer = tp;
2112 /* The GPIOs do something completely different on 57765. */
2113 if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0 ||
2114 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 ||
2115 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
2118 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2119 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
2120 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
2121 struct net_device *dev_peer;
2123 dev_peer = pci_get_drvdata(tp->pdev_peer);
2124 /* remove_one() may have been run on the peer. */
2128 tp_peer = netdev_priv(dev_peer);
2131 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
2132 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
2133 (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
2134 (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
2135 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2136 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2137 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2138 (GRC_LCLCTRL_GPIO_OE0 |
2139 GRC_LCLCTRL_GPIO_OE1 |
2140 GRC_LCLCTRL_GPIO_OE2 |
2141 GRC_LCLCTRL_GPIO_OUTPUT0 |
2142 GRC_LCLCTRL_GPIO_OUTPUT1),
2144 } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
2145 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
2146 /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */
2147 u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
2148 GRC_LCLCTRL_GPIO_OE1 |
2149 GRC_LCLCTRL_GPIO_OE2 |
2150 GRC_LCLCTRL_GPIO_OUTPUT0 |
2151 GRC_LCLCTRL_GPIO_OUTPUT1 |
2153 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2155 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2;
2156 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2158 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0;
2159 tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100);
2162 u32 grc_local_ctrl = 0;
2164 if (tp_peer != tp &&
2165 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2168 /* Workaround to prevent overdrawing Amps. */
2169 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2171 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
2172 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2173 grc_local_ctrl, 100);
2176 /* On 5753 and variants, GPIO2 cannot be used. */
2177 no_gpio2 = tp->nic_sram_data_cfg &
2178 NIC_SRAM_DATA_CFG_NO_GPIO2;
2180 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
2181 GRC_LCLCTRL_GPIO_OE1 |
2182 GRC_LCLCTRL_GPIO_OE2 |
2183 GRC_LCLCTRL_GPIO_OUTPUT1 |
2184 GRC_LCLCTRL_GPIO_OUTPUT2;
2186 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
2187 GRC_LCLCTRL_GPIO_OUTPUT2);
2189 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2190 grc_local_ctrl, 100);
2192 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
2194 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2195 grc_local_ctrl, 100);
2198 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
2199 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2200 grc_local_ctrl, 100);
2204 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
2205 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
2206 if (tp_peer != tp &&
2207 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
2210 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2211 (GRC_LCLCTRL_GPIO_OE1 |
2212 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2214 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2215 GRC_LCLCTRL_GPIO_OE1, 100);
2217 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
2218 (GRC_LCLCTRL_GPIO_OE1 |
2219 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
2224 static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
2226 if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
2228 else if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5411) {
2229 if (speed != SPEED_10)
2231 } else if (speed == SPEED_10)
2237 static int tg3_setup_phy(struct tg3 *, int);
2239 #define RESET_KIND_SHUTDOWN 0
2240 #define RESET_KIND_INIT 1
2241 #define RESET_KIND_SUSPEND 2
2243 static void tg3_write_sig_post_reset(struct tg3 *, int);
2244 static int tg3_halt_cpu(struct tg3 *, u32);
2246 static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
2250 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
2251 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2252 u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2253 u32 serdes_cfg = tr32(MAC_SERDES_CFG);
2256 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
2257 tw32(SG_DIG_CTRL, sg_dig_ctrl);
2258 tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
2263 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2265 val = tr32(GRC_MISC_CFG);
2266 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
2269 } else if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
2271 if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
2274 tg3_writephy(tp, MII_ADVERTISE, 0);
2275 tg3_writephy(tp, MII_BMCR,
2276 BMCR_ANENABLE | BMCR_ANRESTART);
2278 tg3_writephy(tp, MII_TG3_FET_TEST,
2279 phytest | MII_TG3_FET_SHADOW_EN);
2280 if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXMODE4, &phy)) {
2281 phy |= MII_TG3_FET_SHDW_AUXMODE4_SBPD;
2283 MII_TG3_FET_SHDW_AUXMODE4,
2286 tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
2289 } else if (do_low_power) {
2290 tg3_writephy(tp, MII_TG3_EXT_CTRL,
2291 MII_TG3_EXT_CTRL_FORCE_LED_OFF);
2293 tg3_writephy(tp, MII_TG3_AUX_CTRL,
2294 MII_TG3_AUXCTL_SHDWSEL_PWRCTL |
2295 MII_TG3_AUXCTL_PCTL_100TX_LPWR |
2296 MII_TG3_AUXCTL_PCTL_SPR_ISOLATE |
2297 MII_TG3_AUXCTL_PCTL_VREG_11V);
2300 /* The PHY should not be powered down on some chips because
2303 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2304 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
2305 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
2306 (tp->phy_flags & TG3_PHYFLG_MII_SERDES)))
2309 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
2310 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) {
2311 val = tr32(TG3_CPMU_LSPD_1000MB_CLK);
2312 val &= ~CPMU_LSPD_1000MB_MACCLK_MASK;
2313 val |= CPMU_LSPD_1000MB_MACCLK_12_5;
2314 tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val);
2317 tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
2320 /* tp->lock is held. */
2321 static int tg3_nvram_lock(struct tg3 *tp)
2323 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2326 if (tp->nvram_lock_cnt == 0) {
2327 tw32(NVRAM_SWARB, SWARB_REQ_SET1);
2328 for (i = 0; i < 8000; i++) {
2329 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
2334 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
2338 tp->nvram_lock_cnt++;
2343 /* tp->lock is held. */
2344 static void tg3_nvram_unlock(struct tg3 *tp)
2346 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
2347 if (tp->nvram_lock_cnt > 0)
2348 tp->nvram_lock_cnt--;
2349 if (tp->nvram_lock_cnt == 0)
2350 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
2354 /* tp->lock is held. */
2355 static void tg3_enable_nvram_access(struct tg3 *tp)
2357 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2358 !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
2359 u32 nvaccess = tr32(NVRAM_ACCESS);
2361 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
2365 /* tp->lock is held. */
2366 static void tg3_disable_nvram_access(struct tg3 *tp)
2368 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2369 !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
2370 u32 nvaccess = tr32(NVRAM_ACCESS);
2372 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
2376 static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
2377 u32 offset, u32 *val)
2382 if (offset > EEPROM_ADDR_ADDR_MASK || (offset % 4) != 0)
2385 tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
2386 EEPROM_ADDR_DEVID_MASK |
2388 tw32(GRC_EEPROM_ADDR,
2390 (0 << EEPROM_ADDR_DEVID_SHIFT) |
2391 ((offset << EEPROM_ADDR_ADDR_SHIFT) &
2392 EEPROM_ADDR_ADDR_MASK) |
2393 EEPROM_ADDR_READ | EEPROM_ADDR_START);
2395 for (i = 0; i < 1000; i++) {
2396 tmp = tr32(GRC_EEPROM_ADDR);
2398 if (tmp & EEPROM_ADDR_COMPLETE)
2402 if (!(tmp & EEPROM_ADDR_COMPLETE))
2405 tmp = tr32(GRC_EEPROM_DATA);
2408 * The data will always be opposite the native endian
2409 * format. Perform a blind byteswap to compensate.
2416 #define NVRAM_CMD_TIMEOUT 10000
2418 static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
2422 tw32(NVRAM_CMD, nvram_cmd);
2423 for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
2425 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
2431 if (i == NVRAM_CMD_TIMEOUT)
2437 static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
2439 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2440 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2441 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2442 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2443 (tp->nvram_jedecnum == JEDEC_ATMEL))
2445 addr = ((addr / tp->nvram_pagesize) <<
2446 ATMEL_AT45DB0X1B_PAGE_POS) +
2447 (addr % tp->nvram_pagesize);
2452 static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
2454 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
2455 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
2456 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
2457 !(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM_ADDR_TRANS) &&
2458 (tp->nvram_jedecnum == JEDEC_ATMEL))
2460 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
2461 tp->nvram_pagesize) +
2462 (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
2467 /* NOTE: Data read in from NVRAM is byteswapped according to
2468 * the byteswapping settings for all other register accesses.
2469 * tg3 devices are BE devices, so on a BE machine, the data
2470 * returned will be exactly as it is seen in NVRAM. On a LE
2471 * machine, the 32-bit value will be byteswapped.
2473 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
2477 if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
2478 return tg3_nvram_read_using_eeprom(tp, offset, val);
2480 offset = tg3_nvram_phys_addr(tp, offset);
2482 if (offset > NVRAM_ADDR_MSK)
2485 ret = tg3_nvram_lock(tp);
2489 tg3_enable_nvram_access(tp);
2491 tw32(NVRAM_ADDR, offset);
2492 ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
2493 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
2496 *val = tr32(NVRAM_RDDATA);
2498 tg3_disable_nvram_access(tp);
2500 tg3_nvram_unlock(tp);
2505 /* Ensures NVRAM data is in bytestream format. */
2506 static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val)
2509 int res = tg3_nvram_read(tp, offset, &v);
2511 *val = cpu_to_be32(v);
2515 /* tp->lock is held. */
2516 static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
2518 u32 addr_high, addr_low;
2521 addr_high = ((tp->dev->dev_addr[0] << 8) |
2522 tp->dev->dev_addr[1]);
2523 addr_low = ((tp->dev->dev_addr[2] << 24) |
2524 (tp->dev->dev_addr[3] << 16) |
2525 (tp->dev->dev_addr[4] << 8) |
2526 (tp->dev->dev_addr[5] << 0));
2527 for (i = 0; i < 4; i++) {
2528 if (i == 1 && skip_mac_1)
2530 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
2531 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
2534 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
2535 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
2536 for (i = 0; i < 12; i++) {
2537 tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
2538 tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
2542 addr_high = (tp->dev->dev_addr[0] +
2543 tp->dev->dev_addr[1] +
2544 tp->dev->dev_addr[2] +
2545 tp->dev->dev_addr[3] +
2546 tp->dev->dev_addr[4] +
2547 tp->dev->dev_addr[5]) &
2548 TX_BACKOFF_SEED_MASK;
2549 tw32(MAC_TX_BACKOFF_SEED, addr_high);
2552 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
2555 bool device_should_wake, do_low_power;
2557 /* Make sure register accesses (indirect or otherwise)
2558 * will function correctly.
2560 pci_write_config_dword(tp->pdev,
2561 TG3PCI_MISC_HOST_CTRL,
2562 tp->misc_host_ctrl);
2566 pci_enable_wake(tp->pdev, state, false);
2567 pci_set_power_state(tp->pdev, PCI_D0);
2569 /* Switch out of Vaux if it is a NIC */
2570 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
2571 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
2581 netdev_err(tp->dev, "Invalid power state (D%d) requested\n",
2586 /* Restore the CLKREQ setting. */
2587 if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
2590 pci_read_config_word(tp->pdev,
2591 tp->pcie_cap + PCI_EXP_LNKCTL,
2593 lnkctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
2594 pci_write_config_word(tp->pdev,
2595 tp->pcie_cap + PCI_EXP_LNKCTL,
2599 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
2600 tw32(TG3PCI_MISC_HOST_CTRL,
2601 misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
2603 device_should_wake = pci_pme_capable(tp->pdev, state) &&
2604 device_may_wakeup(&tp->pdev->dev) &&
2605 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
2607 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
2608 do_low_power = false;
2609 if ((tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) &&
2610 !(tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) {
2611 struct phy_device *phydev;
2612 u32 phyid, advertising;
2614 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
2616 tp->phy_flags |= TG3_PHYFLG_IS_LOW_POWER;
2618 tp->link_config.orig_speed = phydev->speed;
2619 tp->link_config.orig_duplex = phydev->duplex;
2620 tp->link_config.orig_autoneg = phydev->autoneg;
2621 tp->link_config.orig_advertising = phydev->advertising;
2623 advertising = ADVERTISED_TP |
2625 ADVERTISED_Autoneg |
2626 ADVERTISED_10baseT_Half;
2628 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2629 device_should_wake) {
2630 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2632 ADVERTISED_100baseT_Half |
2633 ADVERTISED_100baseT_Full |
2634 ADVERTISED_10baseT_Full;
2636 advertising |= ADVERTISED_10baseT_Full;
2639 phydev->advertising = advertising;
2641 phy_start_aneg(phydev);
2643 phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask;
2644 if (phyid != PHY_ID_BCMAC131) {
2645 phyid &= PHY_BCM_OUI_MASK;
2646 if (phyid == PHY_BCM_OUI_1 ||
2647 phyid == PHY_BCM_OUI_2 ||
2648 phyid == PHY_BCM_OUI_3)
2649 do_low_power = true;
2653 do_low_power = true;
2655 if (!(tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) {
2656 tp->phy_flags |= TG3_PHYFLG_IS_LOW_POWER;
2657 tp->link_config.orig_speed = tp->link_config.speed;
2658 tp->link_config.orig_duplex = tp->link_config.duplex;
2659 tp->link_config.orig_autoneg = tp->link_config.autoneg;
2662 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) {
2663 tp->link_config.speed = SPEED_10;
2664 tp->link_config.duplex = DUPLEX_HALF;
2665 tp->link_config.autoneg = AUTONEG_ENABLE;
2666 tg3_setup_phy(tp, 0);
2670 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
2673 val = tr32(GRC_VCPU_EXT_CTRL);
2674 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
2675 } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2679 for (i = 0; i < 200; i++) {
2680 tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
2681 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
2686 if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
2687 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
2688 WOL_DRV_STATE_SHUTDOWN |
2692 if (device_should_wake) {
2695 if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES)) {
2697 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
2701 if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
2702 mac_mode = MAC_MODE_PORT_MODE_GMII;
2704 mac_mode = MAC_MODE_PORT_MODE_MII;
2706 mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
2707 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2709 u32 speed = (tp->tg3_flags &
2710 TG3_FLAG_WOL_SPEED_100MB) ?
2711 SPEED_100 : SPEED_10;
2712 if (tg3_5700_link_polarity(tp, speed))
2713 mac_mode |= MAC_MODE_LINK_POLARITY;
2715 mac_mode &= ~MAC_MODE_LINK_POLARITY;
2718 mac_mode = MAC_MODE_PORT_MODE_TBI;
2721 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
2722 tw32(MAC_LED_CTRL, tp->led_ctrl);
2724 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
2725 if (((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
2726 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) &&
2727 ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
2728 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)))
2729 mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL;
2731 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
2732 mac_mode |= tp->mac_mode &
2733 (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
2734 if (mac_mode & MAC_MODE_APE_TX_EN)
2735 mac_mode |= MAC_MODE_TDE_ENABLE;
2738 tw32_f(MAC_MODE, mac_mode);
2741 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
2745 if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
2746 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2747 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
2750 base_val = tp->pci_clock_ctrl;
2751 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
2752 CLOCK_CTRL_TXCLK_DISABLE);
2754 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
2755 CLOCK_CTRL_PWRDOWN_PLL133, 40);
2756 } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
2757 (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
2758 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
2760 } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
2761 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
2762 u32 newbits1, newbits2;
2764 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2765 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2766 newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
2767 CLOCK_CTRL_TXCLK_DISABLE |
2769 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2770 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
2771 newbits1 = CLOCK_CTRL_625_CORE;
2772 newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
2774 newbits1 = CLOCK_CTRL_ALTCLK;
2775 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
2778 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
2781 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
2784 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
2787 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
2788 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
2789 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
2790 CLOCK_CTRL_TXCLK_DISABLE |
2791 CLOCK_CTRL_44MHZ_CORE);
2793 newbits3 = CLOCK_CTRL_44MHZ_CORE;
2796 tw32_wait_f(TG3PCI_CLOCK_CTRL,
2797 tp->pci_clock_ctrl | newbits3, 40);
2801 if (!(device_should_wake) &&
2802 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
2803 tg3_power_down_phy(tp, do_low_power);
2805 tg3_frob_aux_power(tp);
2807 /* Workaround for unstable PLL clock */
2808 if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
2809 (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
2810 u32 val = tr32(0x7d00);
2812 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
2814 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
2817 err = tg3_nvram_lock(tp);
2818 tg3_halt_cpu(tp, RX_CPU_BASE);
2820 tg3_nvram_unlock(tp);
2824 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
2826 if (device_should_wake)
2827 pci_enable_wake(tp->pdev, state, true);
2829 /* Finally, set the new power state. */
2830 pci_set_power_state(tp->pdev, state);
2835 static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
2837 switch (val & MII_TG3_AUX_STAT_SPDMASK) {
2838 case MII_TG3_AUX_STAT_10HALF:
2840 *duplex = DUPLEX_HALF;
2843 case MII_TG3_AUX_STAT_10FULL:
2845 *duplex = DUPLEX_FULL;
2848 case MII_TG3_AUX_STAT_100HALF:
2850 *duplex = DUPLEX_HALF;
2853 case MII_TG3_AUX_STAT_100FULL:
2855 *duplex = DUPLEX_FULL;
2858 case MII_TG3_AUX_STAT_1000HALF:
2859 *speed = SPEED_1000;
2860 *duplex = DUPLEX_HALF;
2863 case MII_TG3_AUX_STAT_1000FULL:
2864 *speed = SPEED_1000;
2865 *duplex = DUPLEX_FULL;
2869 if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
2870 *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
2872 *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
2876 *speed = SPEED_INVALID;
2877 *duplex = DUPLEX_INVALID;
2882 static void tg3_phy_copper_begin(struct tg3 *tp)
2887 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) {
2888 /* Entering low power mode. Disable gigabit and
2889 * 100baseT advertisements.
2891 tg3_writephy(tp, MII_TG3_CTRL, 0);
2893 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
2894 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
2895 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
2896 new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
2898 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2899 } else if (tp->link_config.speed == SPEED_INVALID) {
2900 if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY)
2901 tp->link_config.advertising &=
2902 ~(ADVERTISED_1000baseT_Half |
2903 ADVERTISED_1000baseT_Full);
2905 new_adv = ADVERTISE_CSMA;
2906 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
2907 new_adv |= ADVERTISE_10HALF;
2908 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
2909 new_adv |= ADVERTISE_10FULL;
2910 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
2911 new_adv |= ADVERTISE_100HALF;
2912 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
2913 new_adv |= ADVERTISE_100FULL;
2915 new_adv |= tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2917 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2919 if (tp->link_config.advertising &
2920 (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
2922 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2923 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
2924 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2925 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
2926 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY) &&
2927 (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2928 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
2929 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2930 MII_TG3_CTRL_ENABLE_AS_MASTER);
2931 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2933 tg3_writephy(tp, MII_TG3_CTRL, 0);
2936 new_adv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
2937 new_adv |= ADVERTISE_CSMA;
2939 /* Asking for a specific link mode. */
2940 if (tp->link_config.speed == SPEED_1000) {
2941 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2943 if (tp->link_config.duplex == DUPLEX_FULL)
2944 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
2946 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
2947 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
2948 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
2949 new_adv |= (MII_TG3_CTRL_AS_MASTER |
2950 MII_TG3_CTRL_ENABLE_AS_MASTER);
2952 if (tp->link_config.speed == SPEED_100) {
2953 if (tp->link_config.duplex == DUPLEX_FULL)
2954 new_adv |= ADVERTISE_100FULL;
2956 new_adv |= ADVERTISE_100HALF;
2958 if (tp->link_config.duplex == DUPLEX_FULL)
2959 new_adv |= ADVERTISE_10FULL;
2961 new_adv |= ADVERTISE_10HALF;
2963 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2968 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
2971 if (tp->phy_flags & TG3_PHYFLG_EEE_CAP) {
2974 tw32(TG3_CPMU_EEE_MODE,
2975 tr32(TG3_CPMU_EEE_MODE) & ~TG3_CPMU_EEEMD_LPI_ENABLE);
2977 /* Enable SM_DSP clock and tx 6dB coding. */
2978 val = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
2979 MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
2980 MII_TG3_AUXCTL_ACTL_TX_6DB;
2981 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
2983 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
2984 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) &&
2985 !tg3_phydsp_read(tp, MII_TG3_DSP_CH34TP2, &val))
2986 tg3_phydsp_write(tp, MII_TG3_DSP_CH34TP2,
2987 val | MII_TG3_DSP_CH34TP2_HIBW01);
2989 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2990 /* Advertise 100-BaseTX EEE ability */
2991 if (tp->link_config.advertising &
2992 (ADVERTISED_100baseT_Half |
2993 ADVERTISED_100baseT_Full))
2994 val |= TG3_CL45_D7_EEEADV_CAP_100TX;
2995 /* Advertise 1000-BaseT EEE ability */
2996 if (tp->link_config.advertising &
2997 (ADVERTISED_1000baseT_Half |
2998 ADVERTISED_1000baseT_Full))
2999 val |= TG3_CL45_D7_EEEADV_CAP_1000T;
3001 tg3_phy_cl45_write(tp, 0x7, TG3_CL45_D7_EEEADV_CAP, val);
3003 /* Turn off SM_DSP clock. */
3004 val = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
3005 MII_TG3_AUXCTL_ACTL_TX_6DB;
3006 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
3009 if (tp->link_config.autoneg == AUTONEG_DISABLE &&
3010 tp->link_config.speed != SPEED_INVALID) {
3011 u32 bmcr, orig_bmcr;
3013 tp->link_config.active_speed = tp->link_config.speed;
3014 tp->link_config.active_duplex = tp->link_config.duplex;
3017 switch (tp->link_config.speed) {
3023 bmcr |= BMCR_SPEED100;
3027 bmcr |= TG3_BMCR_SPEED1000;
3031 if (tp->link_config.duplex == DUPLEX_FULL)
3032 bmcr |= BMCR_FULLDPLX;
3034 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
3035 (bmcr != orig_bmcr)) {
3036 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
3037 for (i = 0; i < 1500; i++) {
3041 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
3042 tg3_readphy(tp, MII_BMSR, &tmp))
3044 if (!(tmp & BMSR_LSTATUS)) {
3049 tg3_writephy(tp, MII_BMCR, bmcr);
3053 tg3_writephy(tp, MII_BMCR,
3054 BMCR_ANENABLE | BMCR_ANRESTART);
3058 static int tg3_init_5401phy_dsp(struct tg3 *tp)
3062 /* Turn off tap power management. */
3063 /* Set Extended packet length bit */
3064 err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
3066 err |= tg3_phydsp_write(tp, 0x0012, 0x1804);
3067 err |= tg3_phydsp_write(tp, 0x0013, 0x1204);
3068 err |= tg3_phydsp_write(tp, 0x8006, 0x0132);
3069 err |= tg3_phydsp_write(tp, 0x8006, 0x0232);
3070 err |= tg3_phydsp_write(tp, 0x201f, 0x0a20);
3077 static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
3079 u32 adv_reg, all_mask = 0;
3081 if (mask & ADVERTISED_10baseT_Half)
3082 all_mask |= ADVERTISE_10HALF;
3083 if (mask & ADVERTISED_10baseT_Full)
3084 all_mask |= ADVERTISE_10FULL;
3085 if (mask & ADVERTISED_100baseT_Half)
3086 all_mask |= ADVERTISE_100HALF;
3087 if (mask & ADVERTISED_100baseT_Full)
3088 all_mask |= ADVERTISE_100FULL;
3090 if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
3093 if ((adv_reg & all_mask) != all_mask)
3095 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
3099 if (mask & ADVERTISED_1000baseT_Half)
3100 all_mask |= ADVERTISE_1000HALF;
3101 if (mask & ADVERTISED_1000baseT_Full)
3102 all_mask |= ADVERTISE_1000FULL;
3104 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
3107 if ((tg3_ctrl & all_mask) != all_mask)
3113 static int tg3_adv_1000T_flowctrl_ok(struct tg3 *tp, u32 *lcladv, u32 *rmtadv)
3117 if (tg3_readphy(tp, MII_ADVERTISE, lcladv))
3120 curadv = *lcladv & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
3121 reqadv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl);
3123 if (tp->link_config.active_duplex == DUPLEX_FULL) {
3124 if (curadv != reqadv)
3127 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG)
3128 tg3_readphy(tp, MII_LPA, rmtadv);
3130 /* Reprogram the advertisement register, even if it
3131 * does not affect the current link. If the link
3132 * gets renegotiated in the future, we can save an
3133 * additional renegotiation cycle by advertising
3134 * it correctly in the first place.
3136 if (curadv != reqadv) {
3137 *lcladv &= ~(ADVERTISE_PAUSE_CAP |
3138 ADVERTISE_PAUSE_ASYM);
3139 tg3_writephy(tp, MII_ADVERTISE, *lcladv | reqadv);
3146 static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
3148 int current_link_up;
3150 u32 lcl_adv, rmt_adv;
3158 (MAC_STATUS_SYNC_CHANGED |
3159 MAC_STATUS_CFG_CHANGED |
3160 MAC_STATUS_MI_COMPLETION |
3161 MAC_STATUS_LNKSTATE_CHANGED));
3164 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
3166 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
3170 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
3172 /* Some third-party PHYs need to be reset on link going
3175 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
3176 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
3177 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
3178 netif_carrier_ok(tp->dev)) {
3179 tg3_readphy(tp, MII_BMSR, &bmsr);
3180 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3181 !(bmsr & BMSR_LSTATUS))
3187 if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
3188 tg3_readphy(tp, MII_BMSR, &bmsr);
3189 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
3190 !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
3193 if (!(bmsr & BMSR_LSTATUS)) {
3194 err = tg3_init_5401phy_dsp(tp);
3198 tg3_readphy(tp, MII_BMSR, &bmsr);
3199 for (i = 0; i < 1000; i++) {
3201 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3202 (bmsr & BMSR_LSTATUS)) {
3208 if ((tp->phy_id & TG3_PHY_ID_REV_MASK) ==
3209 TG3_PHY_REV_BCM5401_B0 &&
3210 !(bmsr & BMSR_LSTATUS) &&
3211 tp->link_config.active_speed == SPEED_1000) {
3212 err = tg3_phy_reset(tp);
3214 err = tg3_init_5401phy_dsp(tp);
3219 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
3220 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
3221 /* 5701 {A0,B0} CRC bug workaround */
3222 tg3_writephy(tp, 0x15, 0x0a75);
3223 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8c68);
3224 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68);
3225 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8c68);
3228 /* Clear pending interrupts... */
3229 tg3_readphy(tp, MII_TG3_ISTAT, &val);
3230 tg3_readphy(tp, MII_TG3_ISTAT, &val);
3232 if (tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT)
3233 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
3234 else if (!(tp->phy_flags & TG3_PHYFLG_IS_FET))
3235 tg3_writephy(tp, MII_TG3_IMASK, ~0);
3237 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
3238 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
3239 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
3240 tg3_writephy(tp, MII_TG3_EXT_CTRL,
3241 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
3243 tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
3246 current_link_up = 0;
3247 current_speed = SPEED_INVALID;
3248 current_duplex = DUPLEX_INVALID;
3250 if (tp->phy_flags & TG3_PHYFLG_CAPACITIVE_COUPLING) {
3251 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
3252 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
3253 if (!(val & (1 << 10))) {
3255 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
3261 for (i = 0; i < 100; i++) {
3262 tg3_readphy(tp, MII_BMSR, &bmsr);
3263 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3264 (bmsr & BMSR_LSTATUS))
3269 if (bmsr & BMSR_LSTATUS) {
3272 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
3273 for (i = 0; i < 2000; i++) {
3275 if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
3280 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
3285 for (i = 0; i < 200; i++) {
3286 tg3_readphy(tp, MII_BMCR, &bmcr);
3287 if (tg3_readphy(tp, MII_BMCR, &bmcr))
3289 if (bmcr && bmcr != 0x7fff)
3297 tp->link_config.active_speed = current_speed;
3298 tp->link_config.active_duplex = current_duplex;
3300 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3301 if ((bmcr & BMCR_ANENABLE) &&
3302 tg3_copper_is_advertising_all(tp,
3303 tp->link_config.advertising)) {
3304 if (tg3_adv_1000T_flowctrl_ok(tp, &lcl_adv,
3306 current_link_up = 1;
3309 if (!(bmcr & BMCR_ANENABLE) &&
3310 tp->link_config.speed == current_speed &&
3311 tp->link_config.duplex == current_duplex &&
3312 tp->link_config.flowctrl ==
3313 tp->link_config.active_flowctrl) {
3314 current_link_up = 1;
3318 if (current_link_up == 1 &&
3319 tp->link_config.active_duplex == DUPLEX_FULL)
3320 tg3_setup_flow_control(tp, lcl_adv, rmt_adv);
3324 if (current_link_up == 0 || (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) {
3325 tg3_phy_copper_begin(tp);
3327 tg3_readphy(tp, MII_BMSR, &bmsr);
3328 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
3329 (bmsr & BMSR_LSTATUS))
3330 current_link_up = 1;
3333 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
3334 if (current_link_up == 1) {
3335 if (tp->link_config.active_speed == SPEED_100 ||
3336 tp->link_config.active_speed == SPEED_10)
3337 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3339 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3340 } else if (tp->phy_flags & TG3_PHYFLG_IS_FET)
3341 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
3343 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
3345 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
3346 if (tp->link_config.active_duplex == DUPLEX_HALF)
3347 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
3349 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
3350 if (current_link_up == 1 &&
3351 tg3_5700_link_polarity(tp, tp->link_config.active_speed))
3352 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
3354 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
3357 /* ??? Without this setting Netgear GA302T PHY does not
3358 * ??? send/receive packets...
3360 if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5411 &&
3361 tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
3362 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
3363 tw32_f(MAC_MI_MODE, tp->mi_mode);
3367 tw32_f(MAC_MODE, tp->mac_mode);
3370 tg3_phy_eee_adjust(tp, current_link_up);
3372 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
3373 /* Polled via timer. */
3374 tw32_f(MAC_EVENT, 0);
3376 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
3380 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
3381 current_link_up == 1 &&
3382 tp->link_config.active_speed == SPEED_1000 &&
3383 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
3384 (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
3387 (MAC_STATUS_SYNC_CHANGED |
3388 MAC_STATUS_CFG_CHANGED));
3391 NIC_SRAM_FIRMWARE_MBOX,
3392 NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
3395 /* Prevent send BD corruption. */
3396 if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) {
3397 u16 oldlnkctl, newlnkctl;
3399 pci_read_config_word(tp->pdev,
3400 tp->pcie_cap + PCI_EXP_LNKCTL,
3402 if (tp->link_config.active_speed == SPEED_100 ||
3403 tp->link_config.active_speed == SPEED_10)
3404 newlnkctl = oldlnkctl & ~PCI_EXP_LNKCTL_CLKREQ_EN;
3406 newlnkctl = oldlnkctl | PCI_EXP_LNKCTL_CLKREQ_EN;
3407 if (newlnkctl != oldlnkctl)
3408 pci_write_config_word(tp->pdev,
3409 tp->pcie_cap + PCI_EXP_LNKCTL,
3413 if (current_link_up != netif_carrier_ok(tp->dev)) {
3414 if (current_link_up)
3415 netif_carrier_on(tp->dev);
3417 netif_carrier_off(tp->dev);
3418 tg3_link_report(tp);
3424 struct tg3_fiber_aneginfo {
3426 #define ANEG_STATE_UNKNOWN 0
3427 #define ANEG_STATE_AN_ENABLE 1
3428 #define ANEG_STATE_RESTART_INIT 2
3429 #define ANEG_STATE_RESTART 3
3430 #define ANEG_STATE_DISABLE_LINK_OK 4
3431 #define ANEG_STATE_ABILITY_DETECT_INIT 5
3432 #define ANEG_STATE_ABILITY_DETECT 6
3433 #define ANEG_STATE_ACK_DETECT_INIT 7
3434 #define ANEG_STATE_ACK_DETECT 8
3435 #define ANEG_STATE_COMPLETE_ACK_INIT 9
3436 #define ANEG_STATE_COMPLETE_ACK 10
3437 #define ANEG_STATE_IDLE_DETECT_INIT 11
3438 #define ANEG_STATE_IDLE_DETECT 12
3439 #define ANEG_STATE_LINK_OK 13
3440 #define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
3441 #define ANEG_STATE_NEXT_PAGE_WAIT 15
3444 #define MR_AN_ENABLE 0x00000001
3445 #define MR_RESTART_AN 0x00000002
3446 #define MR_AN_COMPLETE 0x00000004
3447 #define MR_PAGE_RX 0x00000008
3448 #define MR_NP_LOADED 0x00000010
3449 #define MR_TOGGLE_TX 0x00000020
3450 #define MR_LP_ADV_FULL_DUPLEX 0x00000040
3451 #define MR_LP_ADV_HALF_DUPLEX 0x00000080
3452 #define MR_LP_ADV_SYM_PAUSE 0x00000100
3453 #define MR_LP_ADV_ASYM_PAUSE 0x00000200
3454 #define MR_LP_ADV_REMOTE_FAULT1 0x00000400
3455 #define MR_LP_ADV_REMOTE_FAULT2 0x00000800
3456 #define MR_LP_ADV_NEXT_PAGE 0x00001000
3457 #define MR_TOGGLE_RX 0x00002000
3458 #define MR_NP_RX 0x00004000
3460 #define MR_LINK_OK 0x80000000
3462 unsigned long link_time, cur_time;
3464 u32 ability_match_cfg;
3465 int ability_match_count;
3467 char ability_match, idle_match, ack_match;
3469 u32 txconfig, rxconfig;
3470 #define ANEG_CFG_NP 0x00000080
3471 #define ANEG_CFG_ACK 0x00000040
3472 #define ANEG_CFG_RF2 0x00000020
3473 #define ANEG_CFG_RF1 0x00000010
3474 #define ANEG_CFG_PS2 0x00000001
3475 #define ANEG_CFG_PS1 0x00008000
3476 #define ANEG_CFG_HD 0x00004000
3477 #define ANEG_CFG_FD 0x00002000
3478 #define ANEG_CFG_INVAL 0x00001f06
3483 #define ANEG_TIMER_ENAB 2
3484 #define ANEG_FAILED -1
3486 #define ANEG_STATE_SETTLE_TIME 10000
3488 static int tg3_fiber_aneg_smachine(struct tg3 *tp,
3489 struct tg3_fiber_aneginfo *ap)
3492 unsigned long delta;
3496 if (ap->state == ANEG_STATE_UNKNOWN) {
3500 ap->ability_match_cfg = 0;
3501 ap->ability_match_count = 0;
3502 ap->ability_match = 0;
3508 if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
3509 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
3511 if (rx_cfg_reg != ap->ability_match_cfg) {
3512 ap->ability_match_cfg = rx_cfg_reg;
3513 ap->ability_match = 0;
3514 ap->ability_match_count = 0;
3516 if (++ap->ability_match_count > 1) {
3517 ap->ability_match = 1;
3518 ap->ability_match_cfg = rx_cfg_reg;
3521 if (rx_cfg_reg & ANEG_CFG_ACK)
3529 ap->ability_match_cfg = 0;
3530 ap->ability_match_count = 0;
3531 ap->ability_match = 0;
3537 ap->rxconfig = rx_cfg_reg;
3540 switch (ap->state) {
3541 case ANEG_STATE_UNKNOWN:
3542 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
3543 ap->state = ANEG_STATE_AN_ENABLE;
3546 case ANEG_STATE_AN_ENABLE:
3547 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
3548 if (ap->flags & MR_AN_ENABLE) {
3551 ap->ability_match_cfg = 0;
3552 ap->ability_match_count = 0;
3553 ap->ability_match = 0;
3557 ap->state = ANEG_STATE_RESTART_INIT;
3559 ap->state = ANEG_STATE_DISABLE_LINK_OK;
3563 case ANEG_STATE_RESTART_INIT:
3564 ap->link_time = ap->cur_time;
3565 ap->flags &= ~(MR_NP_LOADED);
3567 tw32(MAC_TX_AUTO_NEG, 0);
3568 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3569 tw32_f(MAC_MODE, tp->mac_mode);
3572 ret = ANEG_TIMER_ENAB;
3573 ap->state = ANEG_STATE_RESTART;
3576 case ANEG_STATE_RESTART:
3577 delta = ap->cur_time - ap->link_time;
3578 if (delta > ANEG_STATE_SETTLE_TIME)
3579 ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
3581 ret = ANEG_TIMER_ENAB;
3584 case ANEG_STATE_DISABLE_LINK_OK:
3588 case ANEG_STATE_ABILITY_DETECT_INIT:
3589 ap->flags &= ~(MR_TOGGLE_TX);
3590 ap->txconfig = ANEG_CFG_FD;
3591 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3592 if (flowctrl & ADVERTISE_1000XPAUSE)
3593 ap->txconfig |= ANEG_CFG_PS1;
3594 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3595 ap->txconfig |= ANEG_CFG_PS2;
3596 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3597 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3598 tw32_f(MAC_MODE, tp->mac_mode);
3601 ap->state = ANEG_STATE_ABILITY_DETECT;
3604 case ANEG_STATE_ABILITY_DETECT:
3605 if (ap->ability_match != 0 && ap->rxconfig != 0)
3606 ap->state = ANEG_STATE_ACK_DETECT_INIT;
3609 case ANEG_STATE_ACK_DETECT_INIT:
3610 ap->txconfig |= ANEG_CFG_ACK;
3611 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
3612 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
3613 tw32_f(MAC_MODE, tp->mac_mode);
3616 ap->state = ANEG_STATE_ACK_DETECT;
3619 case ANEG_STATE_ACK_DETECT:
3620 if (ap->ack_match != 0) {
3621 if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
3622 (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
3623 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
3625 ap->state = ANEG_STATE_AN_ENABLE;
3627 } else if (ap->ability_match != 0 &&
3628 ap->rxconfig == 0) {
3629 ap->state = ANEG_STATE_AN_ENABLE;
3633 case ANEG_STATE_COMPLETE_ACK_INIT:
3634 if (ap->rxconfig & ANEG_CFG_INVAL) {
3638 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
3639 MR_LP_ADV_HALF_DUPLEX |
3640 MR_LP_ADV_SYM_PAUSE |
3641 MR_LP_ADV_ASYM_PAUSE |
3642 MR_LP_ADV_REMOTE_FAULT1 |
3643 MR_LP_ADV_REMOTE_FAULT2 |
3644 MR_LP_ADV_NEXT_PAGE |
3647 if (ap->rxconfig & ANEG_CFG_FD)
3648 ap->flags |= MR_LP_ADV_FULL_DUPLEX;
3649 if (ap->rxconfig & ANEG_CFG_HD)
3650 ap->flags |= MR_LP_ADV_HALF_DUPLEX;
3651 if (ap->rxconfig & ANEG_CFG_PS1)
3652 ap->flags |= MR_LP_ADV_SYM_PAUSE;
3653 if (ap->rxconfig & ANEG_CFG_PS2)
3654 ap->flags |= MR_LP_ADV_ASYM_PAUSE;
3655 if (ap->rxconfig & ANEG_CFG_RF1)
3656 ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
3657 if (ap->rxconfig & ANEG_CFG_RF2)
3658 ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
3659 if (ap->rxconfig & ANEG_CFG_NP)
3660 ap->flags |= MR_LP_ADV_NEXT_PAGE;
3662 ap->link_time = ap->cur_time;
3664 ap->flags ^= (MR_TOGGLE_TX);
3665 if (ap->rxconfig & 0x0008)
3666 ap->flags |= MR_TOGGLE_RX;
3667 if (ap->rxconfig & ANEG_CFG_NP)
3668 ap->flags |= MR_NP_RX;
3669 ap->flags |= MR_PAGE_RX;
3671 ap->state = ANEG_STATE_COMPLETE_ACK;
3672 ret = ANEG_TIMER_ENAB;
3675 case ANEG_STATE_COMPLETE_ACK:
3676 if (ap->ability_match != 0 &&
3677 ap->rxconfig == 0) {
3678 ap->state = ANEG_STATE_AN_ENABLE;
3681 delta = ap->cur_time - ap->link_time;
3682 if (delta > ANEG_STATE_SETTLE_TIME) {
3683 if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
3684 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3686 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
3687 !(ap->flags & MR_NP_RX)) {
3688 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
3696 case ANEG_STATE_IDLE_DETECT_INIT:
3697 ap->link_time = ap->cur_time;
3698 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3699 tw32_f(MAC_MODE, tp->mac_mode);
3702 ap->state = ANEG_STATE_IDLE_DETECT;
3703 ret = ANEG_TIMER_ENAB;
3706 case ANEG_STATE_IDLE_DETECT:
3707 if (ap->ability_match != 0 &&
3708 ap->rxconfig == 0) {
3709 ap->state = ANEG_STATE_AN_ENABLE;
3712 delta = ap->cur_time - ap->link_time;
3713 if (delta > ANEG_STATE_SETTLE_TIME) {
3714 /* XXX another gem from the Broadcom driver :( */
3715 ap->state = ANEG_STATE_LINK_OK;
3719 case ANEG_STATE_LINK_OK:
3720 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
3724 case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
3725 /* ??? unimplemented */
3728 case ANEG_STATE_NEXT_PAGE_WAIT:
3729 /* ??? unimplemented */
3740 static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags)
3743 struct tg3_fiber_aneginfo aninfo;
3744 int status = ANEG_FAILED;
3748 tw32_f(MAC_TX_AUTO_NEG, 0);
3750 tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
3751 tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
3754 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
3757 memset(&aninfo, 0, sizeof(aninfo));
3758 aninfo.flags |= MR_AN_ENABLE;
3759 aninfo.state = ANEG_STATE_UNKNOWN;
3760 aninfo.cur_time = 0;
3762 while (++tick < 195000) {
3763 status = tg3_fiber_aneg_smachine(tp, &aninfo);
3764 if (status == ANEG_DONE || status == ANEG_FAILED)
3770 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
3771 tw32_f(MAC_MODE, tp->mac_mode);
3774 *txflags = aninfo.txconfig;
3775 *rxflags = aninfo.flags;
3777 if (status == ANEG_DONE &&
3778 (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
3779 MR_LP_ADV_FULL_DUPLEX)))
3785 static void tg3_init_bcm8002(struct tg3 *tp)
3787 u32 mac_status = tr32(MAC_STATUS);
3790 /* Reset when initting first time or we have a link. */
3791 if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
3792 !(mac_status & MAC_STATUS_PCS_SYNCED))
3795 /* Set PLL lock range. */
3796 tg3_writephy(tp, 0x16, 0x8007);
3799 tg3_writephy(tp, MII_BMCR, BMCR_RESET);
3801 /* Wait for reset to complete. */
3802 /* XXX schedule_timeout() ... */
3803 for (i = 0; i < 500; i++)
3806 /* Config mode; select PMA/Ch 1 regs. */
3807 tg3_writephy(tp, 0x10, 0x8411);
3809 /* Enable auto-lock and comdet, select txclk for tx. */
3810 tg3_writephy(tp, 0x11, 0x0a10);
3812 tg3_writephy(tp, 0x18, 0x00a0);
3813 tg3_writephy(tp, 0x16, 0x41ff);
3815 /* Assert and deassert POR. */
3816 tg3_writephy(tp, 0x13, 0x0400);
3818 tg3_writephy(tp, 0x13, 0x0000);
3820 tg3_writephy(tp, 0x11, 0x0a50);
3822 tg3_writephy(tp, 0x11, 0x0a10);
3824 /* Wait for signal to stabilize */
3825 /* XXX schedule_timeout() ... */
3826 for (i = 0; i < 15000; i++)
3829 /* Deselect the channel register so we can read the PHYID
3832 tg3_writephy(tp, 0x10, 0x8011);
3835 static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
3838 u32 sg_dig_ctrl, sg_dig_status;
3839 u32 serdes_cfg, expected_sg_dig_ctrl;
3840 int workaround, port_a;
3841 int current_link_up;
3844 expected_sg_dig_ctrl = 0;
3847 current_link_up = 0;
3849 if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
3850 tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
3852 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
3855 /* preserve bits 0-11,13,14 for signal pre-emphasis */
3856 /* preserve bits 20-23 for voltage regulator */
3857 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
3860 sg_dig_ctrl = tr32(SG_DIG_CTRL);
3862 if (tp->link_config.autoneg != AUTONEG_ENABLE) {
3863 if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
3865 u32 val = serdes_cfg;
3871 tw32_f(MAC_SERDES_CFG, val);
3874 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3876 if (mac_status & MAC_STATUS_PCS_SYNCED) {
3877 tg3_setup_flow_control(tp, 0, 0);
3878 current_link_up = 1;
3883 /* Want auto-negotiation. */
3884 expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
3886 flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
3887 if (flowctrl & ADVERTISE_1000XPAUSE)
3888 expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
3889 if (flowctrl & ADVERTISE_1000XPSE_ASYM)
3890 expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
3892 if (sg_dig_ctrl != expected_sg_dig_ctrl) {
3893 if ((tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT) &&
3894 tp->serdes_counter &&
3895 ((mac_status & (MAC_STATUS_PCS_SYNCED |
3896 MAC_STATUS_RCVD_CFG)) ==
3897 MAC_STATUS_PCS_SYNCED)) {
3898 tp->serdes_counter--;
3899 current_link_up = 1;
3904 tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
3905 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
3907 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
3909 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3910 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
3911 } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
3912 MAC_STATUS_SIGNAL_DET)) {
3913 sg_dig_status = tr32(SG_DIG_STATUS);
3914 mac_status = tr32(MAC_STATUS);
3916 if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
3917 (mac_status & MAC_STATUS_PCS_SYNCED)) {
3918 u32 local_adv = 0, remote_adv = 0;
3920 if (sg_dig_ctrl & SG_DIG_PAUSE_CAP)
3921 local_adv |= ADVERTISE_1000XPAUSE;
3922 if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE)
3923 local_adv |= ADVERTISE_1000XPSE_ASYM;
3925 if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
3926 remote_adv |= LPA_1000XPAUSE;
3927 if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
3928 remote_adv |= LPA_1000XPAUSE_ASYM;
3930 tg3_setup_flow_control(tp, local_adv, remote_adv);
3931 current_link_up = 1;
3932 tp->serdes_counter = 0;
3933 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
3934 } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
3935 if (tp->serdes_counter)
3936 tp->serdes_counter--;
3939 u32 val = serdes_cfg;
3946 tw32_f(MAC_SERDES_CFG, val);
3949 tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
3952 /* Link parallel detection - link is up */
3953 /* only if we have PCS_SYNC and not */
3954 /* receiving config code words */
3955 mac_status = tr32(MAC_STATUS);
3956 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
3957 !(mac_status & MAC_STATUS_RCVD_CFG)) {
3958 tg3_setup_flow_control(tp, 0, 0);
3959 current_link_up = 1;
3961 TG3_PHYFLG_PARALLEL_DETECT;
3962 tp->serdes_counter =
3963 SERDES_PARALLEL_DET_TIMEOUT;
3965 goto restart_autoneg;
3969 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
3970 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
3974 return current_link_up;
3977 static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
3979 int current_link_up = 0;
3981 if (!(mac_status & MAC_STATUS_PCS_SYNCED))
3984 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
3985 u32 txflags, rxflags;
3988 if (fiber_autoneg(tp, &txflags, &rxflags)) {
3989 u32 local_adv = 0, remote_adv = 0;
3991 if (txflags & ANEG_CFG_PS1)
3992 local_adv |= ADVERTISE_1000XPAUSE;
3993 if (txflags & ANEG_CFG_PS2)
3994 local_adv |= ADVERTISE_1000XPSE_ASYM;
3996 if (rxflags & MR_LP_ADV_SYM_PAUSE)
3997 remote_adv |= LPA_1000XPAUSE;
3998 if (rxflags & MR_LP_ADV_ASYM_PAUSE)
3999 remote_adv |= LPA_1000XPAUSE_ASYM;
4001 tg3_setup_flow_control(tp, local_adv, remote_adv);
4003 current_link_up = 1;
4005 for (i = 0; i < 30; i++) {
4008 (MAC_STATUS_SYNC_CHANGED |
4009 MAC_STATUS_CFG_CHANGED));
4011 if ((tr32(MAC_STATUS) &
4012 (MAC_STATUS_SYNC_CHANGED |
4013 MAC_STATUS_CFG_CHANGED)) == 0)
4017 mac_status = tr32(MAC_STATUS);
4018 if (current_link_up == 0 &&
4019 (mac_status & MAC_STATUS_PCS_SYNCED) &&
4020 !(mac_status & MAC_STATUS_RCVD_CFG))
4021 current_link_up = 1;
4023 tg3_setup_flow_control(tp, 0, 0);
4025 /* Forcing 1000FD link up. */
4026 current_link_up = 1;
4028 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
4031 tw32_f(MAC_MODE, tp->mac_mode);
4036 return current_link_up;
4039 static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
4042 u16 orig_active_speed;
4043 u8 orig_active_duplex;
4045 int current_link_up;
4048 orig_pause_cfg = tp->link_config.active_flowctrl;
4049 orig_active_speed = tp->link_config.active_speed;
4050 orig_active_duplex = tp->link_config.active_duplex;
4052 if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
4053 netif_carrier_ok(tp->dev) &&
4054 (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
4055 mac_status = tr32(MAC_STATUS);
4056 mac_status &= (MAC_STATUS_PCS_SYNCED |
4057 MAC_STATUS_SIGNAL_DET |
4058 MAC_STATUS_CFG_CHANGED |
4059 MAC_STATUS_RCVD_CFG);
4060 if (mac_status == (MAC_STATUS_PCS_SYNCED |
4061 MAC_STATUS_SIGNAL_DET)) {
4062 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
4063 MAC_STATUS_CFG_CHANGED));
4068 tw32_f(MAC_TX_AUTO_NEG, 0);
4070 tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
4071 tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
4072 tw32_f(MAC_MODE, tp->mac_mode);
4075 if (tp->phy_id == TG3_PHY_ID_BCM8002)
4076 tg3_init_bcm8002(tp);
4078 /* Enable link change event even when serdes polling. */
4079 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4082 current_link_up = 0;
4083 mac_status = tr32(MAC_STATUS);
4085 if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
4086 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
4088 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
4090 tp->napi[0].hw_status->status =
4091 (SD_STATUS_UPDATED |
4092 (tp->napi[0].hw_status->status & ~SD_STATUS_LINK_CHG));
4094 for (i = 0; i < 100; i++) {
4095 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
4096 MAC_STATUS_CFG_CHANGED));
4098 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
4099 MAC_STATUS_CFG_CHANGED |
4100 MAC_STATUS_LNKSTATE_CHANGED)) == 0)
4104 mac_status = tr32(MAC_STATUS);
4105 if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
4106 current_link_up = 0;
4107 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
4108 tp->serdes_counter == 0) {
4109 tw32_f(MAC_MODE, (tp->mac_mode |
4110 MAC_MODE_SEND_CONFIGS));
4112 tw32_f(MAC_MODE, tp->mac_mode);
4116 if (current_link_up == 1) {
4117 tp->link_config.active_speed = SPEED_1000;
4118 tp->link_config.active_duplex = DUPLEX_FULL;
4119 tw32(MAC_LED_CTRL, (tp->led_ctrl |
4120 LED_CTRL_LNKLED_OVERRIDE |
4121 LED_CTRL_1000MBPS_ON));
4123 tp->link_config.active_speed = SPEED_INVALID;
4124 tp->link_config.active_duplex = DUPLEX_INVALID;
4125 tw32(MAC_LED_CTRL, (tp->led_ctrl |
4126 LED_CTRL_LNKLED_OVERRIDE |
4127 LED_CTRL_TRAFFIC_OVERRIDE));
4130 if (current_link_up != netif_carrier_ok(tp->dev)) {
4131 if (current_link_up)
4132 netif_carrier_on(tp->dev);
4134 netif_carrier_off(tp->dev);
4135 tg3_link_report(tp);
4137 u32 now_pause_cfg = tp->link_config.active_flowctrl;
4138 if (orig_pause_cfg != now_pause_cfg ||
4139 orig_active_speed != tp->link_config.active_speed ||
4140 orig_active_duplex != tp->link_config.active_duplex)
4141 tg3_link_report(tp);
4147 static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
4149 int current_link_up, err = 0;
4153 u32 local_adv, remote_adv;
4155 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
4156 tw32_f(MAC_MODE, tp->mac_mode);
4162 (MAC_STATUS_SYNC_CHANGED |
4163 MAC_STATUS_CFG_CHANGED |
4164 MAC_STATUS_MI_COMPLETION |
4165 MAC_STATUS_LNKSTATE_CHANGED));
4171 current_link_up = 0;
4172 current_speed = SPEED_INVALID;
4173 current_duplex = DUPLEX_INVALID;
4175 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4176 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4177 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
4178 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4179 bmsr |= BMSR_LSTATUS;
4181 bmsr &= ~BMSR_LSTATUS;
4184 err |= tg3_readphy(tp, MII_BMCR, &bmcr);
4186 if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
4187 (tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT)) {
4188 /* do nothing, just check for link up at the end */
4189 } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
4192 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4193 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
4194 ADVERTISE_1000XPAUSE |
4195 ADVERTISE_1000XPSE_ASYM |
4198 new_adv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl);
4200 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
4201 new_adv |= ADVERTISE_1000XHALF;
4202 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
4203 new_adv |= ADVERTISE_1000XFULL;
4205 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
4206 tg3_writephy(tp, MII_ADVERTISE, new_adv);
4207 bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
4208 tg3_writephy(tp, MII_BMCR, bmcr);
4210 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4211 tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
4212 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
4219 bmcr &= ~BMCR_SPEED1000;
4220 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
4222 if (tp->link_config.duplex == DUPLEX_FULL)
4223 new_bmcr |= BMCR_FULLDPLX;
4225 if (new_bmcr != bmcr) {
4226 /* BMCR_SPEED1000 is a reserved bit that needs
4227 * to be set on write.
4229 new_bmcr |= BMCR_SPEED1000;
4231 /* Force a linkdown */
4232 if (netif_carrier_ok(tp->dev)) {
4235 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
4236 adv &= ~(ADVERTISE_1000XFULL |
4237 ADVERTISE_1000XHALF |
4239 tg3_writephy(tp, MII_ADVERTISE, adv);
4240 tg3_writephy(tp, MII_BMCR, bmcr |
4244 netif_carrier_off(tp->dev);
4246 tg3_writephy(tp, MII_BMCR, new_bmcr);
4248 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4249 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
4250 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
4252 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
4253 bmsr |= BMSR_LSTATUS;
4255 bmsr &= ~BMSR_LSTATUS;
4257 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
4261 if (bmsr & BMSR_LSTATUS) {
4262 current_speed = SPEED_1000;
4263 current_link_up = 1;
4264 if (bmcr & BMCR_FULLDPLX)
4265 current_duplex = DUPLEX_FULL;
4267 current_duplex = DUPLEX_HALF;
4272 if (bmcr & BMCR_ANENABLE) {
4275 err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
4276 err |= tg3_readphy(tp, MII_LPA, &remote_adv);
4277 common = local_adv & remote_adv;
4278 if (common & (ADVERTISE_1000XHALF |
4279 ADVERTISE_1000XFULL)) {
4280 if (common & ADVERTISE_1000XFULL)
4281 current_duplex = DUPLEX_FULL;
4283 current_duplex = DUPLEX_HALF;
4284 } else if (!(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
4285 /* Link is up via parallel detect */
4287 current_link_up = 0;
4292 if (current_link_up == 1 && current_duplex == DUPLEX_FULL)
4293 tg3_setup_flow_control(tp, local_adv, remote_adv);
4295 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
4296 if (tp->link_config.active_duplex == DUPLEX_HALF)
4297 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
4299 tw32_f(MAC_MODE, tp->mac_mode);
4302 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
4304 tp->link_config.active_speed = current_speed;
4305 tp->link_config.active_duplex = current_duplex;
4307 if (current_link_up != netif_carrier_ok(tp->dev)) {
4308 if (current_link_up)
4309 netif_carrier_on(tp->dev);
4311 netif_carrier_off(tp->dev);
4312 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
4314 tg3_link_report(tp);
4319 static void tg3_serdes_parallel_detect(struct tg3 *tp)
4321 if (tp->serdes_counter) {
4322 /* Give autoneg time to complete. */
4323 tp->serdes_counter--;
4327 if (!netif_carrier_ok(tp->dev) &&
4328 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
4331 tg3_readphy(tp, MII_BMCR, &bmcr);
4332 if (bmcr & BMCR_ANENABLE) {
4335 /* Select shadow register 0x1f */
4336 tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x7c00);
4337 tg3_readphy(tp, MII_TG3_MISC_SHDW, &phy1);
4339 /* Select expansion interrupt status register */
4340 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
4341 MII_TG3_DSP_EXP1_INT_STAT);
4342 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2);
4343 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2);
4345 if ((phy1 & 0x10) && !(phy2 & 0x20)) {
4346 /* We have signal detect and not receiving
4347 * config code words, link is up by parallel
4351 bmcr &= ~BMCR_ANENABLE;
4352 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
4353 tg3_writephy(tp, MII_BMCR, bmcr);
4354 tp->phy_flags |= TG3_PHYFLG_PARALLEL_DETECT;
4357 } else if (netif_carrier_ok(tp->dev) &&
4358 (tp->link_config.autoneg == AUTONEG_ENABLE) &&
4359 (tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT)) {
4362 /* Select expansion interrupt status register */
4363 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
4364 MII_TG3_DSP_EXP1_INT_STAT);
4365 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2);
4369 /* Config code words received, turn on autoneg. */
4370 tg3_readphy(tp, MII_BMCR, &bmcr);
4371 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
4373 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
4379 static int tg3_setup_phy(struct tg3 *tp, int force_reset)
4383 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
4384 err = tg3_setup_fiber_phy(tp, force_reset);
4385 else if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
4386 err = tg3_setup_fiber_mii_phy(tp, force_reset);
4388 err = tg3_setup_copper_phy(tp, force_reset);
4390 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
4393 val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK;
4394 if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5)
4396 else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25)
4401 val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK;
4402 val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT);
4403 tw32(GRC_MISC_CFG, val);
4406 if (tp->link_config.active_speed == SPEED_1000 &&
4407 tp->link_config.active_duplex == DUPLEX_HALF)
4408 tw32(MAC_TX_LENGTHS,
4409 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4410 (6 << TX_LENGTHS_IPG_SHIFT) |
4411 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
4413 tw32(MAC_TX_LENGTHS,
4414 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
4415 (6 << TX_LENGTHS_IPG_SHIFT) |
4416 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
4418 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
4419 if (netif_carrier_ok(tp->dev)) {
4420 tw32(HOSTCC_STAT_COAL_TICKS,
4421 tp->coal.stats_block_coalesce_usecs);
4423 tw32(HOSTCC_STAT_COAL_TICKS, 0);
4427 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
4428 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
4429 if (!netif_carrier_ok(tp->dev))
4430 val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
4433 val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
4434 tw32(PCIE_PWR_MGMT_THRESH, val);
4440 static inline int tg3_irq_sync(struct tg3 *tp)
4442 return tp->irq_sync;
4445 /* This is called whenever we suspect that the system chipset is re-
4446 * ordering the sequence of MMIO to the tx send mailbox. The symptom
4447 * is bogus tx completions. We try to recover by setting the
4448 * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
4451 static void tg3_tx_recover(struct tg3 *tp)
4453 BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
4454 tp->write32_tx_mbox == tg3_write_indirect_mbox);
4456 netdev_warn(tp->dev,
4457 "The system may be re-ordering memory-mapped I/O "
4458 "cycles to the network device, attempting to recover. "
4459 "Please report the problem to the driver maintainer "
4460 "and include system chipset information.\n");
4462 spin_lock(&tp->lock);
4463 tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
4464 spin_unlock(&tp->lock);
4467 static inline u32 tg3_tx_avail(struct tg3_napi *tnapi)
4469 /* Tell compiler to fetch tx indices from memory. */
4471 return tnapi->tx_pending -
4472 ((tnapi->tx_prod - tnapi->tx_cons) & (TG3_TX_RING_SIZE - 1));
4475 /* Tigon3 never reports partial packet sends. So we do not
4476 * need special logic to handle SKBs that have not had all
4477 * of their frags sent yet, like SunGEM does.
4479 static void tg3_tx(struct tg3_napi *tnapi)
4481 struct tg3 *tp = tnapi->tp;
4482 u32 hw_idx = tnapi->hw_status->idx[0].tx_consumer;
4483 u32 sw_idx = tnapi->tx_cons;
4484 struct netdev_queue *txq;
4485 int index = tnapi - tp->napi;
4487 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
4490 txq = netdev_get_tx_queue(tp->dev, index);
4492 while (sw_idx != hw_idx) {
4493 struct ring_info *ri = &tnapi->tx_buffers[sw_idx];
4494 struct sk_buff *skb = ri->skb;
4497 if (unlikely(skb == NULL)) {
4502 pci_unmap_single(tp->pdev,
4503 dma_unmap_addr(ri, mapping),
4509 sw_idx = NEXT_TX(sw_idx);
4511 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
4512 ri = &tnapi->tx_buffers[sw_idx];
4513 if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
4516 pci_unmap_page(tp->pdev,
4517 dma_unmap_addr(ri, mapping),
4518 skb_shinfo(skb)->frags[i].size,
4520 sw_idx = NEXT_TX(sw_idx);
4525 if (unlikely(tx_bug)) {
4531 tnapi->tx_cons = sw_idx;
4533 /* Need to make the tx_cons update visible to tg3_start_xmit()
4534 * before checking for netif_queue_stopped(). Without the
4535 * memory barrier, there is a small possibility that tg3_start_xmit()
4536 * will miss it and cause the queue to be stopped forever.
4540 if (unlikely(netif_tx_queue_stopped(txq) &&
4541 (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))) {
4542 __netif_tx_lock(txq, smp_processor_id());
4543 if (netif_tx_queue_stopped(txq) &&
4544 (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))
4545 netif_tx_wake_queue(txq);
4546 __netif_tx_unlock(txq);
4550 static void tg3_rx_skb_free(struct tg3 *tp, struct ring_info *ri, u32 map_sz)
4555 pci_unmap_single(tp->pdev, dma_unmap_addr(ri, mapping),
4556 map_sz, PCI_DMA_FROMDEVICE);
4557 dev_kfree_skb_any(ri->skb);
4561 /* Returns size of skb allocated or < 0 on error.
4563 * We only need to fill in the address because the other members
4564 * of the RX descriptor are invariant, see tg3_init_rings.
4566 * Note the purposeful assymetry of cpu vs. chip accesses. For
4567 * posting buffers we only dirty the first cache line of the RX
4568 * descriptor (containing the address). Whereas for the RX status
4569 * buffers the cpu only reads the last cacheline of the RX descriptor
4570 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
4572 static int tg3_alloc_rx_skb(struct tg3 *tp, struct tg3_rx_prodring_set *tpr,
4573 u32 opaque_key, u32 dest_idx_unmasked)
4575 struct tg3_rx_buffer_desc *desc;
4576 struct ring_info *map;
4577 struct sk_buff *skb;
4579 int skb_size, dest_idx;
4581 switch (opaque_key) {
4582 case RXD_OPAQUE_RING_STD:
4583 dest_idx = dest_idx_unmasked & tp->rx_std_ring_mask;
4584 desc = &tpr->rx_std[dest_idx];
4585 map = &tpr->rx_std_buffers[dest_idx];
4586 skb_size = tp->rx_pkt_map_sz;
4589 case RXD_OPAQUE_RING_JUMBO:
4590 dest_idx = dest_idx_unmasked & tp->rx_jmb_ring_mask;
4591 desc = &tpr->rx_jmb[dest_idx].std;
4592 map = &tpr->rx_jmb_buffers[dest_idx];
4593 skb_size = TG3_RX_JMB_MAP_SZ;
4600 /* Do not overwrite any of the map or rp information
4601 * until we are sure we can commit to a new buffer.
4603 * Callers depend upon this behavior and assume that
4604 * we leave everything unchanged if we fail.
4606 skb = netdev_alloc_skb(tp->dev, skb_size + tp->rx_offset);
4610 skb_reserve(skb, tp->rx_offset);
4612 mapping = pci_map_single(tp->pdev, skb->data, skb_size,
4613 PCI_DMA_FROMDEVICE);
4614 if (pci_dma_mapping_error(tp->pdev, mapping)) {
4620 dma_unmap_addr_set(map, mapping, mapping);
4622 desc->addr_hi = ((u64)mapping >> 32);
4623 desc->addr_lo = ((u64)mapping & 0xffffffff);
4628 /* We only need to move over in the address because the other
4629 * members of the RX descriptor are invariant. See notes above
4630 * tg3_alloc_rx_skb for full details.
4632 static void tg3_recycle_rx(struct tg3_napi *tnapi,
4633 struct tg3_rx_prodring_set *dpr,
4634 u32 opaque_key, int src_idx,
4635 u32 dest_idx_unmasked)
4637 struct tg3 *tp = tnapi->tp;
4638 struct tg3_rx_buffer_desc *src_desc, *dest_desc;
4639 struct ring_info *src_map, *dest_map;
4640 struct tg3_rx_prodring_set *spr = &tp->napi[0].prodring;
4643 switch (opaque_key) {
4644 case RXD_OPAQUE_RING_STD:
4645 dest_idx = dest_idx_unmasked & tp->rx_std_ring_mask;
4646 dest_desc = &dpr->rx_std[dest_idx];
4647 dest_map = &dpr->rx_std_buffers[dest_idx];
4648 src_desc = &spr->rx_std[src_idx];
4649 src_map = &spr->rx_std_buffers[src_idx];
4652 case RXD_OPAQUE_RING_JUMBO:
4653 dest_idx = dest_idx_unmasked & tp->rx_jmb_ring_mask;
4654 dest_desc = &dpr->rx_jmb[dest_idx].std;
4655 dest_map = &dpr->rx_jmb_buffers[dest_idx];
4656 src_desc = &spr->rx_jmb[src_idx].std;
4657 src_map = &spr->rx_jmb_buffers[src_idx];
4664 dest_map->skb = src_map->skb;
4665 dma_unmap_addr_set(dest_map, mapping,
4666 dma_unmap_addr(src_map, mapping));
4667 dest_desc->addr_hi = src_desc->addr_hi;
4668 dest_desc->addr_lo = src_desc->addr_lo;
4670 /* Ensure that the update to the skb happens after the physical
4671 * addresses have been transferred to the new BD location.
4675 src_map->skb = NULL;
4678 /* The RX ring scheme is composed of multiple rings which post fresh
4679 * buffers to the chip, and one special ring the chip uses to report
4680 * status back to the host.
4682 * The special ring reports the status of received packets to the
4683 * host. The chip does not write into the original descriptor the
4684 * RX buffer was obtained from. The chip simply takes the original
4685 * descriptor as provided by the host, updates the status and length
4686 * field, then writes this into the next status ring entry.
4688 * Each ring the host uses to post buffers to the chip is described
4689 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
4690 * it is first placed into the on-chip ram. When the packet's length
4691 * is known, it walks down the TG3_BDINFO entries to select the ring.
4692 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
4693 * which is within the range of the new packet's length is chosen.
4695 * The "separate ring for rx status" scheme may sound queer, but it makes
4696 * sense from a cache coherency perspective. If only the host writes
4697 * to the buffer post rings, and only the chip writes to the rx status
4698 * rings, then cache lines never move beyond shared-modified state.
4699 * If both the host and chip were to write into the same ring, cache line
4700 * eviction could occur since both entities want it in an exclusive state.
4702 static int tg3_rx(struct tg3_napi *tnapi, int budget)
4704 struct tg3 *tp = tnapi->tp;
4705 u32 work_mask, rx_std_posted = 0;
4706 u32 std_prod_idx, jmb_prod_idx;
4707 u32 sw_idx = tnapi->rx_rcb_ptr;
4710 struct tg3_rx_prodring_set *tpr = &tnapi->prodring;
4712 hw_idx = *(tnapi->rx_rcb_prod_idx);
4714 * We need to order the read of hw_idx and the read of
4715 * the opaque cookie.
4720 std_prod_idx = tpr->rx_std_prod_idx;
4721 jmb_prod_idx = tpr->rx_jmb_prod_idx;
4722 while (sw_idx != hw_idx && budget > 0) {
4723 struct ring_info *ri;
4724 struct tg3_rx_buffer_desc *desc = &tnapi->rx_rcb[sw_idx];
4726 struct sk_buff *skb;
4727 dma_addr_t dma_addr;
4728 u32 opaque_key, desc_idx, *post_ptr;
4729 bool hw_vlan __maybe_unused = false;
4730 u16 vtag __maybe_unused = 0;
4732 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
4733 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
4734 if (opaque_key == RXD_OPAQUE_RING_STD) {
4735 ri = &tp->napi[0].prodring.rx_std_buffers[desc_idx];
4736 dma_addr = dma_unmap_addr(ri, mapping);
4738 post_ptr = &std_prod_idx;
4740 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
4741 ri = &tp->napi[0].prodring.rx_jmb_buffers[desc_idx];
4742 dma_addr = dma_unmap_addr(ri, mapping);
4744 post_ptr = &jmb_prod_idx;
4746 goto next_pkt_nopost;
4748 work_mask |= opaque_key;
4750 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
4751 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
4753 tg3_recycle_rx(tnapi, tpr, opaque_key,
4754 desc_idx, *post_ptr);
4756 /* Other statistics kept track of by card. */
4757 tp->net_stats.rx_dropped++;
4761 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) -
4764 if (len > TG3_RX_COPY_THRESH(tp)) {
4767 skb_size = tg3_alloc_rx_skb(tp, tpr, opaque_key,
4772 pci_unmap_single(tp->pdev, dma_addr, skb_size,
4773 PCI_DMA_FROMDEVICE);
4775 /* Ensure that the update to the skb happens
4776 * after the usage of the old DMA mapping.
4784 struct sk_buff *copy_skb;
4786 tg3_recycle_rx(tnapi, tpr, opaque_key,
4787 desc_idx, *post_ptr);
4789 copy_skb = netdev_alloc_skb(tp->dev, len + VLAN_HLEN +
4791 if (copy_skb == NULL)
4792 goto drop_it_no_recycle;
4794 skb_reserve(copy_skb, TG3_RAW_IP_ALIGN + VLAN_HLEN);
4795 skb_put(copy_skb, len);
4796 pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4797 skb_copy_from_linear_data(skb, copy_skb->data, len);
4798 pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
4800 /* We'll reuse the original ring buffer. */
4804 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
4805 (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
4806 (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
4807 >> RXD_TCPCSUM_SHIFT) == 0xffff))
4808 skb->ip_summed = CHECKSUM_UNNECESSARY;
4810 skb_checksum_none_assert(skb);
4812 skb->protocol = eth_type_trans(skb, tp->dev);
4814 if (len > (tp->dev->mtu + ETH_HLEN) &&
4815 skb->protocol != htons(ETH_P_8021Q)) {
4820 if (desc->type_flags & RXD_FLAG_VLAN &&
4821 !(tp->rx_mode & RX_MODE_KEEP_VLAN_TAG)) {
4822 vtag = desc->err_vlan & RXD_VLAN_MASK;
4823 #if TG3_VLAN_TAG_USED
4829 struct vlan_ethhdr *ve = (struct vlan_ethhdr *)
4830 __skb_push(skb, VLAN_HLEN);
4832 memmove(ve, skb->data + VLAN_HLEN,
4834 ve->h_vlan_proto = htons(ETH_P_8021Q);
4835 ve->h_vlan_TCI = htons(vtag);
4839 #if TG3_VLAN_TAG_USED
4841 vlan_gro_receive(&tnapi->napi, tp->vlgrp, vtag, skb);
4844 napi_gro_receive(&tnapi->napi, skb);
4852 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
4853 tpr->rx_std_prod_idx = std_prod_idx &
4854 tp->rx_std_ring_mask;
4855 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4856 tpr->rx_std_prod_idx);
4857 work_mask &= ~RXD_OPAQUE_RING_STD;
4862 sw_idx &= tp->rx_ret_ring_mask;
4864 /* Refresh hw_idx to see if there is new work */
4865 if (sw_idx == hw_idx) {
4866 hw_idx = *(tnapi->rx_rcb_prod_idx);
4871 /* ACK the status ring. */
4872 tnapi->rx_rcb_ptr = sw_idx;
4873 tw32_rx_mbox(tnapi->consmbox, sw_idx);
4875 /* Refill RX ring(s). */
4876 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)) {
4877 if (work_mask & RXD_OPAQUE_RING_STD) {
4878 tpr->rx_std_prod_idx = std_prod_idx &
4879 tp->rx_std_ring_mask;
4880 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
4881 tpr->rx_std_prod_idx);
4883 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
4884 tpr->rx_jmb_prod_idx = jmb_prod_idx &
4885 tp->rx_jmb_ring_mask;
4886 tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
4887 tpr->rx_jmb_prod_idx);
4890 } else if (work_mask) {
4891 /* rx_std_buffers[] and rx_jmb_buffers[] entries must be
4892 * updated before the producer indices can be updated.
4896 tpr->rx_std_prod_idx = std_prod_idx & tp->rx_std_ring_mask;
4897 tpr->rx_jmb_prod_idx = jmb_prod_idx & tp->rx_jmb_ring_mask;
4899 if (tnapi != &tp->napi[1])
4900 napi_schedule(&tp->napi[1].napi);
4906 static void tg3_poll_link(struct tg3 *tp)
4908 /* handle link change and other phy events */
4909 if (!(tp->tg3_flags &
4910 (TG3_FLAG_USE_LINKCHG_REG |
4911 TG3_FLAG_POLL_SERDES))) {
4912 struct tg3_hw_status *sblk = tp->napi[0].hw_status;
4914 if (sblk->status & SD_STATUS_LINK_CHG) {
4915 sblk->status = SD_STATUS_UPDATED |
4916 (sblk->status & ~SD_STATUS_LINK_CHG);
4917 spin_lock(&tp->lock);
4918 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
4920 (MAC_STATUS_SYNC_CHANGED |
4921 MAC_STATUS_CFG_CHANGED |
4922 MAC_STATUS_MI_COMPLETION |
4923 MAC_STATUS_LNKSTATE_CHANGED));
4926 tg3_setup_phy(tp, 0);
4927 spin_unlock(&tp->lock);
4932 static int tg3_rx_prodring_xfer(struct tg3 *tp,
4933 struct tg3_rx_prodring_set *dpr,
4934 struct tg3_rx_prodring_set *spr)
4936 u32 si, di, cpycnt, src_prod_idx;
4940 src_prod_idx = spr->rx_std_prod_idx;
4942 /* Make sure updates to the rx_std_buffers[] entries and the
4943 * standard producer index are seen in the correct order.
4947 if (spr->rx_std_cons_idx == src_prod_idx)
4950 if (spr->rx_std_cons_idx < src_prod_idx)
4951 cpycnt = src_prod_idx - spr->rx_std_cons_idx;
4953 cpycnt = tp->rx_std_ring_mask + 1 -
4954 spr->rx_std_cons_idx;
4956 cpycnt = min(cpycnt,
4957 tp->rx_std_ring_mask + 1 - dpr->rx_std_prod_idx);
4959 si = spr->rx_std_cons_idx;
4960 di = dpr->rx_std_prod_idx;
4962 for (i = di; i < di + cpycnt; i++) {
4963 if (dpr->rx_std_buffers[i].skb) {
4973 /* Ensure that updates to the rx_std_buffers ring and the
4974 * shadowed hardware producer ring from tg3_recycle_skb() are
4975 * ordered correctly WRT the skb check above.
4979 memcpy(&dpr->rx_std_buffers[di],
4980 &spr->rx_std_buffers[si],
4981 cpycnt * sizeof(struct ring_info));
4983 for (i = 0; i < cpycnt; i++, di++, si++) {
4984 struct tg3_rx_buffer_desc *sbd, *dbd;
4985 sbd = &spr->rx_std[si];
4986 dbd = &dpr->rx_std[di];
4987 dbd->addr_hi = sbd->addr_hi;
4988 dbd->addr_lo = sbd->addr_lo;
4991 spr->rx_std_cons_idx = (spr->rx_std_cons_idx + cpycnt) &
4992 tp->rx_std_ring_mask;
4993 dpr->rx_std_prod_idx = (dpr->rx_std_prod_idx + cpycnt) &
4994 tp->rx_std_ring_mask;
4998 src_prod_idx = spr->rx_jmb_prod_idx;
5000 /* Make sure updates to the rx_jmb_buffers[] entries and
5001 * the jumbo producer index are seen in the correct order.
5005 if (spr->rx_jmb_cons_idx == src_prod_idx)
5008 if (spr->rx_jmb_cons_idx < src_prod_idx)
5009 cpycnt = src_prod_idx - spr->rx_jmb_cons_idx;
5011 cpycnt = tp->rx_jmb_ring_mask + 1 -
5012 spr->rx_jmb_cons_idx;
5014 cpycnt = min(cpycnt,
5015 tp->rx_jmb_ring_mask + 1 - dpr->rx_jmb_prod_idx);
5017 si = spr->rx_jmb_cons_idx;
5018 di = dpr->rx_jmb_prod_idx;
5020 for (i = di; i < di + cpycnt; i++) {
5021 if (dpr->rx_jmb_buffers[i].skb) {
5031 /* Ensure that updates to the rx_jmb_buffers ring and the
5032 * shadowed hardware producer ring from tg3_recycle_skb() are
5033 * ordered correctly WRT the skb check above.
5037 memcpy(&dpr->rx_jmb_buffers[di],
5038 &spr->rx_jmb_buffers[si],
5039 cpycnt * sizeof(struct ring_info));
5041 for (i = 0; i < cpycnt; i++, di++, si++) {
5042 struct tg3_rx_buffer_desc *sbd, *dbd;
5043 sbd = &spr->rx_jmb[si].std;
5044 dbd = &dpr->rx_jmb[di].std;
5045 dbd->addr_hi = sbd->addr_hi;
5046 dbd->addr_lo = sbd->addr_lo;
5049 spr->rx_jmb_cons_idx = (spr->rx_jmb_cons_idx + cpycnt) &
5050 tp->rx_jmb_ring_mask;
5051 dpr->rx_jmb_prod_idx = (dpr->rx_jmb_prod_idx + cpycnt) &
5052 tp->rx_jmb_ring_mask;
5058 static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
5060 struct tg3 *tp = tnapi->tp;
5062 /* run TX completion thread */
5063 if (tnapi->hw_status->idx[0].tx_consumer != tnapi->tx_cons) {
5065 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
5069 /* run RX thread, within the bounds set by NAPI.
5070 * All RX "locking" is done by ensuring outside
5071 * code synchronizes with tg3->napi.poll()
5073 if (*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
5074 work_done += tg3_rx(tnapi, budget - work_done);
5076 if ((tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) && tnapi == &tp->napi[1]) {
5077 struct tg3_rx_prodring_set *dpr = &tp->napi[0].prodring;
5079 u32 std_prod_idx = dpr->rx_std_prod_idx;
5080 u32 jmb_prod_idx = dpr->rx_jmb_prod_idx;
5082 for (i = 1; i < tp->irq_cnt; i++)
5083 err |= tg3_rx_prodring_xfer(tp, dpr,
5084 &tp->napi[i].prodring);
5088 if (std_prod_idx != dpr->rx_std_prod_idx)
5089 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
5090 dpr->rx_std_prod_idx);
5092 if (jmb_prod_idx != dpr->rx_jmb_prod_idx)
5093 tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
5094 dpr->rx_jmb_prod_idx);
5099 tw32_f(HOSTCC_MODE, tp->coal_now);
5105 static int tg3_poll_msix(struct napi_struct *napi, int budget)
5107 struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
5108 struct tg3 *tp = tnapi->tp;
5110 struct tg3_hw_status *sblk = tnapi->hw_status;
5113 work_done = tg3_poll_work(tnapi, work_done, budget);
5115 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
5118 if (unlikely(work_done >= budget))
5121 /* tp->last_tag is used in tg3_int_reenable() below
5122 * to tell the hw how much work has been processed,
5123 * so we must read it before checking for more work.
5125 tnapi->last_tag = sblk->status_tag;
5126 tnapi->last_irq_tag = tnapi->last_tag;
5129 /* check for RX/TX work to do */
5130 if (likely(sblk->idx[0].tx_consumer == tnapi->tx_cons &&
5131 *(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr)) {
5132 napi_complete(napi);
5133 /* Reenable interrupts. */
5134 tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
5143 /* work_done is guaranteed to be less than budget. */
5144 napi_complete(napi);
5145 schedule_work(&tp->reset_task);
5149 static int tg3_poll(struct napi_struct *napi, int budget)
5151 struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
5152 struct tg3 *tp = tnapi->tp;
5154 struct tg3_hw_status *sblk = tnapi->hw_status;
5159 work_done = tg3_poll_work(tnapi, work_done, budget);
5161 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
5164 if (unlikely(work_done >= budget))
5167 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
5168 /* tp->last_tag is used in tg3_int_reenable() below
5169 * to tell the hw how much work has been processed,
5170 * so we must read it before checking for more work.
5172 tnapi->last_tag = sblk->status_tag;
5173 tnapi->last_irq_tag = tnapi->last_tag;
5176 sblk->status &= ~SD_STATUS_UPDATED;
5178 if (likely(!tg3_has_work(tnapi))) {
5179 napi_complete(napi);
5180 tg3_int_reenable(tnapi);
5188 /* work_done is guaranteed to be less than budget. */
5189 napi_complete(napi);
5190 schedule_work(&tp->reset_task);
5194 static void tg3_napi_disable(struct tg3 *tp)
5198 for (i = tp->irq_cnt - 1; i >= 0; i--)
5199 napi_disable(&tp->napi[i].napi);
5202 static void tg3_napi_enable(struct tg3 *tp)
5206 for (i = 0; i < tp->irq_cnt; i++)
5207 napi_enable(&tp->napi[i].napi);
5210 static void tg3_napi_init(struct tg3 *tp)
5214 netif_napi_add(tp->dev, &tp->napi[0].napi, tg3_poll, 64);
5215 for (i = 1; i < tp->irq_cnt; i++)
5216 netif_napi_add(tp->dev, &tp->napi[i].napi, tg3_poll_msix, 64);
5219 static void tg3_napi_fini(struct tg3 *tp)
5223 for (i = 0; i < tp->irq_cnt; i++)
5224 netif_napi_del(&tp->napi[i].napi);
5227 static inline void tg3_netif_stop(struct tg3 *tp)
5229 tp->dev->trans_start = jiffies; /* prevent tx timeout */
5230 tg3_napi_disable(tp);
5231 netif_tx_disable(tp->dev);
5234 static inline void tg3_netif_start(struct tg3 *tp)
5236 /* NOTE: unconditional netif_tx_wake_all_queues is only
5237 * appropriate so long as all callers are assured to
5238 * have free tx slots (such as after tg3_init_hw)
5240 netif_tx_wake_all_queues(tp->dev);
5242 tg3_napi_enable(tp);
5243 tp->napi[0].hw_status->status |= SD_STATUS_UPDATED;
5244 tg3_enable_ints(tp);
5247 static void tg3_irq_quiesce(struct tg3 *tp)
5251 BUG_ON(tp->irq_sync);
5256 for (i = 0; i < tp->irq_cnt; i++)
5257 synchronize_irq(tp->napi[i].irq_vec);
5260 /* Fully shutdown all tg3 driver activity elsewhere in the system.
5261 * If irq_sync is non-zero, then the IRQ handler must be synchronized
5262 * with as well. Most of the time, this is not necessary except when
5263 * shutting down the device.
5265 static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
5267 spin_lock_bh(&tp->lock);
5269 tg3_irq_quiesce(tp);
5272 static inline void tg3_full_unlock(struct tg3 *tp)
5274 spin_unlock_bh(&tp->lock);
5277 /* One-shot MSI handler - Chip automatically disables interrupt
5278 * after sending MSI so driver doesn't have to do it.
5280 static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
5282 struct tg3_napi *tnapi = dev_id;
5283 struct tg3 *tp = tnapi->tp;
5285 prefetch(tnapi->hw_status);
5287 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5289 if (likely(!tg3_irq_sync(tp)))
5290 napi_schedule(&tnapi->napi);
5295 /* MSI ISR - No need to check for interrupt sharing and no need to
5296 * flush status block and interrupt mailbox. PCI ordering rules
5297 * guarantee that MSI will arrive after the status block.
5299 static irqreturn_t tg3_msi(int irq, void *dev_id)
5301 struct tg3_napi *tnapi = dev_id;
5302 struct tg3 *tp = tnapi->tp;
5304 prefetch(tnapi->hw_status);
5306 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5308 * Writing any value to intr-mbox-0 clears PCI INTA# and
5309 * chip-internal interrupt pending events.
5310 * Writing non-zero to intr-mbox-0 additional tells the
5311 * NIC to stop sending us irqs, engaging "in-intr-handler"
5314 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5315 if (likely(!tg3_irq_sync(tp)))
5316 napi_schedule(&tnapi->napi);
5318 return IRQ_RETVAL(1);
5321 static irqreturn_t tg3_interrupt(int irq, void *dev_id)
5323 struct tg3_napi *tnapi = dev_id;
5324 struct tg3 *tp = tnapi->tp;
5325 struct tg3_hw_status *sblk = tnapi->hw_status;
5326 unsigned int handled = 1;
5328 /* In INTx mode, it is possible for the interrupt to arrive at
5329 * the CPU before the status block posted prior to the interrupt.
5330 * Reading the PCI State register will confirm whether the
5331 * interrupt is ours and will flush the status block.
5333 if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
5334 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
5335 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5342 * Writing any value to intr-mbox-0 clears PCI INTA# and
5343 * chip-internal interrupt pending events.
5344 * Writing non-zero to intr-mbox-0 additional tells the
5345 * NIC to stop sending us irqs, engaging "in-intr-handler"
5348 * Flush the mailbox to de-assert the IRQ immediately to prevent
5349 * spurious interrupts. The flush impacts performance but
5350 * excessive spurious interrupts can be worse in some cases.
5352 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5353 if (tg3_irq_sync(tp))
5355 sblk->status &= ~SD_STATUS_UPDATED;
5356 if (likely(tg3_has_work(tnapi))) {
5357 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5358 napi_schedule(&tnapi->napi);
5360 /* No work, shared interrupt perhaps? re-enable
5361 * interrupts, and flush that PCI write
5363 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
5367 return IRQ_RETVAL(handled);
5370 static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
5372 struct tg3_napi *tnapi = dev_id;
5373 struct tg3 *tp = tnapi->tp;
5374 struct tg3_hw_status *sblk = tnapi->hw_status;
5375 unsigned int handled = 1;
5377 /* In INTx mode, it is possible for the interrupt to arrive at
5378 * the CPU before the status block posted prior to the interrupt.
5379 * Reading the PCI State register will confirm whether the
5380 * interrupt is ours and will flush the status block.
5382 if (unlikely(sblk->status_tag == tnapi->last_irq_tag)) {
5383 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
5384 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5391 * writing any value to intr-mbox-0 clears PCI INTA# and
5392 * chip-internal interrupt pending events.
5393 * writing non-zero to intr-mbox-0 additional tells the
5394 * NIC to stop sending us irqs, engaging "in-intr-handler"
5397 * Flush the mailbox to de-assert the IRQ immediately to prevent
5398 * spurious interrupts. The flush impacts performance but
5399 * excessive spurious interrupts can be worse in some cases.
5401 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
5404 * In a shared interrupt configuration, sometimes other devices'
5405 * interrupts will scream. We record the current status tag here
5406 * so that the above check can report that the screaming interrupts
5407 * are unhandled. Eventually they will be silenced.
5409 tnapi->last_irq_tag = sblk->status_tag;
5411 if (tg3_irq_sync(tp))
5414 prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]);
5416 napi_schedule(&tnapi->napi);
5419 return IRQ_RETVAL(handled);
5422 /* ISR for interrupt test */
5423 static irqreturn_t tg3_test_isr(int irq, void *dev_id)
5425 struct tg3_napi *tnapi = dev_id;
5426 struct tg3 *tp = tnapi->tp;
5427 struct tg3_hw_status *sblk = tnapi->hw_status;
5429 if ((sblk->status & SD_STATUS_UPDATED) ||
5430 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
5431 tg3_disable_ints(tp);
5432 return IRQ_RETVAL(1);
5434 return IRQ_RETVAL(0);
5437 static int tg3_init_hw(struct tg3 *, int);
5438 static int tg3_halt(struct tg3 *, int, int);
5440 /* Restart hardware after configuration changes, self-test, etc.
5441 * Invoked with tp->lock held.
5443 static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
5444 __releases(tp->lock)
5445 __acquires(tp->lock)
5449 err = tg3_init_hw(tp, reset_phy);
5452 "Failed to re-initialize device, aborting\n");
5453 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
5454 tg3_full_unlock(tp);
5455 del_timer_sync(&tp->timer);
5457 tg3_napi_enable(tp);
5459 tg3_full_lock(tp, 0);
5464 #ifdef CONFIG_NET_POLL_CONTROLLER
5465 static void tg3_poll_controller(struct net_device *dev)
5468 struct tg3 *tp = netdev_priv(dev);
5470 for (i = 0; i < tp->irq_cnt; i++)
5471 tg3_interrupt(tp->napi[i].irq_vec, &tp->napi[i]);
5475 static void tg3_reset_task(struct work_struct *work)
5477 struct tg3 *tp = container_of(work, struct tg3, reset_task);
5479 unsigned int restart_timer;
5481 tg3_full_lock(tp, 0);
5483 if (!netif_running(tp->dev)) {
5484 tg3_full_unlock(tp);
5488 tg3_full_unlock(tp);
5494 tg3_full_lock(tp, 1);
5496 restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
5497 tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
5499 if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
5500 tp->write32_tx_mbox = tg3_write32_tx_mbox;
5501 tp->write32_rx_mbox = tg3_write_flush_reg32;
5502 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
5503 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
5506 tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
5507 err = tg3_init_hw(tp, 1);
5511 tg3_netif_start(tp);
5514 mod_timer(&tp->timer, jiffies + 1);
5517 tg3_full_unlock(tp);
5523 static void tg3_dump_short_state(struct tg3 *tp)
5525 netdev_err(tp->dev, "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
5526 tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
5527 netdev_err(tp->dev, "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
5528 tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
5531 static void tg3_tx_timeout(struct net_device *dev)
5533 struct tg3 *tp = netdev_priv(dev);
5535 if (netif_msg_tx_err(tp)) {
5536 netdev_err(dev, "transmit timed out, resetting\n");
5537 tg3_dump_short_state(tp);
5540 schedule_work(&tp->reset_task);
5543 /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
5544 static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
5546 u32 base = (u32) mapping & 0xffffffff;
5548 return (base > 0xffffdcc0) && (base + len + 8 < base);
5551 /* Test for DMA addresses > 40-bit */
5552 static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
5555 #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
5556 if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
5557 return ((u64) mapping + len) > DMA_BIT_MASK(40);
5564 static void tg3_set_txd(struct tg3_napi *, int, dma_addr_t, int, u32, u32);
5566 /* Workaround 4GB and 40-bit hardware DMA bugs. */
5567 static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
5568 struct sk_buff *skb, u32 last_plus_one,
5569 u32 *start, u32 base_flags, u32 mss)
5571 struct tg3 *tp = tnapi->tp;
5572 struct sk_buff *new_skb;
5573 dma_addr_t new_addr = 0;
5577 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
5578 new_skb = skb_copy(skb, GFP_ATOMIC);
5580 int more_headroom = 4 - ((unsigned long)skb->data & 3);
5582 new_skb = skb_copy_expand(skb,
5583 skb_headroom(skb) + more_headroom,
5584 skb_tailroom(skb), GFP_ATOMIC);
5590 /* New SKB is guaranteed to be linear. */
5592 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
5594 /* Make sure the mapping succeeded */
5595 if (pci_dma_mapping_error(tp->pdev, new_addr)) {
5597 dev_kfree_skb(new_skb);
5600 /* Make sure new skb does not cross any 4G boundaries.
5601 * Drop the packet if it does.
5603 } else if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
5604 tg3_4g_overflow_test(new_addr, new_skb->len)) {
5605 pci_unmap_single(tp->pdev, new_addr, new_skb->len,
5608 dev_kfree_skb(new_skb);
5611 tg3_set_txd(tnapi, entry, new_addr, new_skb->len,
5612 base_flags, 1 | (mss << 1));
5613 *start = NEXT_TX(entry);
5617 /* Now clean up the sw ring entries. */
5619 while (entry != last_plus_one) {
5623 len = skb_headlen(skb);
5625 len = skb_shinfo(skb)->frags[i-1].size;
5627 pci_unmap_single(tp->pdev,
5628 dma_unmap_addr(&tnapi->tx_buffers[entry],
5630 len, PCI_DMA_TODEVICE);
5632 tnapi->tx_buffers[entry].skb = new_skb;
5633 dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5636 tnapi->tx_buffers[entry].skb = NULL;
5638 entry = NEXT_TX(entry);
5647 static void tg3_set_txd(struct tg3_napi *tnapi, int entry,
5648 dma_addr_t mapping, int len, u32 flags,
5651 struct tg3_tx_buffer_desc *txd = &tnapi->tx_ring[entry];
5652 int is_end = (mss_and_is_end & 0x1);
5653 u32 mss = (mss_and_is_end >> 1);
5657 flags |= TXD_FLAG_END;
5658 if (flags & TXD_FLAG_VLAN) {
5659 vlan_tag = flags >> 16;
5662 vlan_tag |= (mss << TXD_MSS_SHIFT);
5664 txd->addr_hi = ((u64) mapping >> 32);
5665 txd->addr_lo = ((u64) mapping & 0xffffffff);
5666 txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
5667 txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
5670 /* hard_start_xmit for devices that don't have any bugs and
5671 * support TG3_FLG2_HW_TSO_2 and TG3_FLG2_HW_TSO_3 only.
5673 static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
5674 struct net_device *dev)
5676 struct tg3 *tp = netdev_priv(dev);
5677 u32 len, entry, base_flags, mss;
5679 struct tg3_napi *tnapi;
5680 struct netdev_queue *txq;
5681 unsigned int i, last;
5683 txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5684 tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5685 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
5688 /* We are running in BH disabled context with netif_tx_lock
5689 * and TX reclaim runs via tp->napi.poll inside of a software
5690 * interrupt. Furthermore, IRQ processing runs lockless so we have
5691 * no IRQ context deadlocks to worry about either. Rejoice!
5693 if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5694 if (!netif_tx_queue_stopped(txq)) {
5695 netif_tx_stop_queue(txq);
5697 /* This is a hard error, log it. */
5699 "BUG! Tx Ring full when queue awake!\n");
5701 return NETDEV_TX_BUSY;
5704 entry = tnapi->tx_prod;
5706 mss = skb_shinfo(skb)->gso_size;
5708 int tcp_opt_len, ip_tcp_len;
5711 if (skb_header_cloned(skb) &&
5712 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5717 if (skb_is_gso_v6(skb)) {
5718 hdrlen = skb_headlen(skb) - ETH_HLEN;
5720 struct iphdr *iph = ip_hdr(skb);
5722 tcp_opt_len = tcp_optlen(skb);
5723 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5726 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
5727 hdrlen = ip_tcp_len + tcp_opt_len;
5730 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5731 mss |= (hdrlen & 0xc) << 12;
5733 base_flags |= 0x00000010;
5734 base_flags |= (hdrlen & 0x3e0) << 5;
5738 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5739 TXD_FLAG_CPU_POST_DMA);
5741 tcp_hdr(skb)->check = 0;
5743 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5744 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5747 #if TG3_VLAN_TAG_USED
5748 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5749 base_flags |= (TXD_FLAG_VLAN |
5750 (vlan_tx_tag_get(skb) << 16));
5753 len = skb_headlen(skb);
5755 /* Queue skb data, a.k.a. the main skb fragment. */
5756 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
5757 if (pci_dma_mapping_error(tp->pdev, mapping)) {
5762 tnapi->tx_buffers[entry].skb = skb;
5763 dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
5765 if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
5766 !mss && skb->len > ETH_DATA_LEN)
5767 base_flags |= TXD_FLAG_JMB_PKT;
5769 tg3_set_txd(tnapi, entry, mapping, len, base_flags,
5770 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
5772 entry = NEXT_TX(entry);
5774 /* Now loop through additional data fragments, and queue them. */
5775 if (skb_shinfo(skb)->nr_frags > 0) {
5776 last = skb_shinfo(skb)->nr_frags - 1;
5777 for (i = 0; i <= last; i++) {
5778 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5781 mapping = pci_map_page(tp->pdev,
5784 len, PCI_DMA_TODEVICE);
5785 if (pci_dma_mapping_error(tp->pdev, mapping))
5788 tnapi->tx_buffers[entry].skb = NULL;
5789 dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
5792 tg3_set_txd(tnapi, entry, mapping, len,
5793 base_flags, (i == last) | (mss << 1));
5795 entry = NEXT_TX(entry);
5799 /* Packets are ready, update Tx producer idx local and on card. */
5800 tw32_tx_mbox(tnapi->prodmbox, entry);
5802 tnapi->tx_prod = entry;
5803 if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
5804 netif_tx_stop_queue(txq);
5806 /* netif_tx_stop_queue() must be done before checking
5807 * checking tx index in tg3_tx_avail() below, because in
5808 * tg3_tx(), we update tx index before checking for
5809 * netif_tx_queue_stopped().
5812 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
5813 netif_tx_wake_queue(txq);
5819 return NETDEV_TX_OK;
5823 entry = tnapi->tx_prod;
5824 tnapi->tx_buffers[entry].skb = NULL;
5825 pci_unmap_single(tp->pdev,
5826 dma_unmap_addr(&tnapi->tx_buffers[entry], mapping),
5829 for (i = 0; i <= last; i++) {
5830 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
5831 entry = NEXT_TX(entry);
5833 pci_unmap_page(tp->pdev,
5834 dma_unmap_addr(&tnapi->tx_buffers[entry],
5836 frag->size, PCI_DMA_TODEVICE);
5840 return NETDEV_TX_OK;
5843 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *,
5844 struct net_device *);
5846 /* Use GSO to workaround a rare TSO bug that may be triggered when the
5847 * TSO header is greater than 80 bytes.
5849 static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
5851 struct sk_buff *segs, *nskb;
5852 u32 frag_cnt_est = skb_shinfo(skb)->gso_segs * 3;
5854 /* Estimate the number of fragments in the worst case */
5855 if (unlikely(tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)) {
5856 netif_stop_queue(tp->dev);
5858 /* netif_tx_stop_queue() must be done before checking
5859 * checking tx index in tg3_tx_avail() below, because in
5860 * tg3_tx(), we update tx index before checking for
5861 * netif_tx_queue_stopped().
5864 if (tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)
5865 return NETDEV_TX_BUSY;
5867 netif_wake_queue(tp->dev);
5870 segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
5872 goto tg3_tso_bug_end;
5878 tg3_start_xmit_dma_bug(nskb, tp->dev);
5884 return NETDEV_TX_OK;
5887 /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
5888 * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
5890 static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
5891 struct net_device *dev)
5893 struct tg3 *tp = netdev_priv(dev);
5894 u32 len, entry, base_flags, mss;
5895 int would_hit_hwbug;
5897 struct tg3_napi *tnapi;
5898 struct netdev_queue *txq;
5899 unsigned int i, last;
5901 txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
5902 tnapi = &tp->napi[skb_get_queue_mapping(skb)];
5903 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
5906 /* We are running in BH disabled context with netif_tx_lock
5907 * and TX reclaim runs via tp->napi.poll inside of a software
5908 * interrupt. Furthermore, IRQ processing runs lockless so we have
5909 * no IRQ context deadlocks to worry about either. Rejoice!
5911 if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
5912 if (!netif_tx_queue_stopped(txq)) {
5913 netif_tx_stop_queue(txq);
5915 /* This is a hard error, log it. */
5917 "BUG! Tx Ring full when queue awake!\n");
5919 return NETDEV_TX_BUSY;
5922 entry = tnapi->tx_prod;
5924 if (skb->ip_summed == CHECKSUM_PARTIAL)
5925 base_flags |= TXD_FLAG_TCPUDP_CSUM;
5927 mss = skb_shinfo(skb)->gso_size;
5930 u32 tcp_opt_len, hdr_len;
5932 if (skb_header_cloned(skb) &&
5933 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
5939 tcp_opt_len = tcp_optlen(skb);
5941 if (skb_is_gso_v6(skb)) {
5942 hdr_len = skb_headlen(skb) - ETH_HLEN;
5946 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
5947 hdr_len = ip_tcp_len + tcp_opt_len;
5950 iph->tot_len = htons(mss + hdr_len);
5953 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
5954 (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
5955 return tg3_tso_bug(tp, skb);
5957 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
5958 TXD_FLAG_CPU_POST_DMA);
5960 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
5961 tcp_hdr(skb)->check = 0;
5962 base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
5964 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
5969 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
5970 mss |= (hdr_len & 0xc) << 12;
5972 base_flags |= 0x00000010;
5973 base_flags |= (hdr_len & 0x3e0) << 5;
5974 } else if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)
5975 mss |= hdr_len << 9;
5976 else if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1) ||
5977 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5978 if (tcp_opt_len || iph->ihl > 5) {
5981 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5982 mss |= (tsflags << 11);
5985 if (tcp_opt_len || iph->ihl > 5) {
5988 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
5989 base_flags |= tsflags << 12;
5993 #if TG3_VLAN_TAG_USED
5994 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
5995 base_flags |= (TXD_FLAG_VLAN |
5996 (vlan_tx_tag_get(skb) << 16));
5999 if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
6000 !mss && skb->len > ETH_DATA_LEN)
6001 base_flags |= TXD_FLAG_JMB_PKT;
6003 len = skb_headlen(skb);
6005 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
6006 if (pci_dma_mapping_error(tp->pdev, mapping)) {
6011 tnapi->tx_buffers[entry].skb = skb;
6012 dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping);
6014 would_hit_hwbug = 0;
6016 if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) && len <= 8)
6017 would_hit_hwbug = 1;
6019 if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
6020 tg3_4g_overflow_test(mapping, len))
6021 would_hit_hwbug = 1;
6023 if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
6024 tg3_40bit_overflow_test(tp, mapping, len))
6025 would_hit_hwbug = 1;
6027 if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
6028 would_hit_hwbug = 1;
6030 tg3_set_txd(tnapi, entry, mapping, len, base_flags,
6031 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
6033 entry = NEXT_TX(entry);
6035 /* Now loop through additional data fragments, and queue them. */
6036 if (skb_shinfo(skb)->nr_frags > 0) {
6037 last = skb_shinfo(skb)->nr_frags - 1;
6038 for (i = 0; i <= last; i++) {
6039 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6042 mapping = pci_map_page(tp->pdev,
6045 len, PCI_DMA_TODEVICE);
6047 tnapi->tx_buffers[entry].skb = NULL;
6048 dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping,
6050 if (pci_dma_mapping_error(tp->pdev, mapping))
6053 if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) &&
6055 would_hit_hwbug = 1;
6057 if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
6058 tg3_4g_overflow_test(mapping, len))
6059 would_hit_hwbug = 1;
6061 if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
6062 tg3_40bit_overflow_test(tp, mapping, len))
6063 would_hit_hwbug = 1;
6065 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6066 tg3_set_txd(tnapi, entry, mapping, len,
6067 base_flags, (i == last)|(mss << 1));
6069 tg3_set_txd(tnapi, entry, mapping, len,
6070 base_flags, (i == last));
6072 entry = NEXT_TX(entry);
6076 if (would_hit_hwbug) {
6077 u32 last_plus_one = entry;
6080 start = entry - 1 - skb_shinfo(skb)->nr_frags;
6081 start &= (TG3_TX_RING_SIZE - 1);
6083 /* If the workaround fails due to memory/mapping
6084 * failure, silently drop this packet.
6086 if (tigon3_dma_hwbug_workaround(tnapi, skb, last_plus_one,
6087 &start, base_flags, mss))
6093 /* Packets are ready, update Tx producer idx local and on card. */
6094 tw32_tx_mbox(tnapi->prodmbox, entry);
6096 tnapi->tx_prod = entry;
6097 if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
6098 netif_tx_stop_queue(txq);
6100 /* netif_tx_stop_queue() must be done before checking
6101 * checking tx index in tg3_tx_avail() below, because in
6102 * tg3_tx(), we update tx index before checking for
6103 * netif_tx_queue_stopped().
6106 if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
6107 netif_tx_wake_queue(txq);
6113 return NETDEV_TX_OK;
6117 entry = tnapi->tx_prod;
6118 tnapi->tx_buffers[entry].skb = NULL;
6119 pci_unmap_single(tp->pdev,
6120 dma_unmap_addr(&tnapi->tx_buffers[entry], mapping),
6123 for (i = 0; i <= last; i++) {
6124 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
6125 entry = NEXT_TX(entry);
6127 pci_unmap_page(tp->pdev,
6128 dma_unmap_addr(&tnapi->tx_buffers[entry],
6130 frag->size, PCI_DMA_TODEVICE);
6134 return NETDEV_TX_OK;
6137 static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
6142 if (new_mtu > ETH_DATA_LEN) {
6143 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
6144 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
6145 ethtool_op_set_tso(dev, 0);
6147 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
6150 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
6151 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
6152 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
6156 static int tg3_change_mtu(struct net_device *dev, int new_mtu)
6158 struct tg3 *tp = netdev_priv(dev);
6161 if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
6164 if (!netif_running(dev)) {
6165 /* We'll just catch it later when the
6168 tg3_set_mtu(dev, tp, new_mtu);
6176 tg3_full_lock(tp, 1);
6178 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
6180 tg3_set_mtu(dev, tp, new_mtu);
6182 err = tg3_restart_hw(tp, 0);
6185 tg3_netif_start(tp);
6187 tg3_full_unlock(tp);
6195 static void tg3_rx_prodring_free(struct tg3 *tp,
6196 struct tg3_rx_prodring_set *tpr)
6200 if (tpr != &tp->napi[0].prodring) {
6201 for (i = tpr->rx_std_cons_idx; i != tpr->rx_std_prod_idx;
6202 i = (i + 1) & tp->rx_std_ring_mask)
6203 tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
6206 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
6207 for (i = tpr->rx_jmb_cons_idx;
6208 i != tpr->rx_jmb_prod_idx;
6209 i = (i + 1) & tp->rx_jmb_ring_mask) {
6210 tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
6218 for (i = 0; i <= tp->rx_std_ring_mask; i++)
6219 tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
6222 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
6223 for (i = 0; i <= tp->rx_jmb_ring_mask; i++)
6224 tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
6229 /* Initialize rx rings for packet processing.
6231 * The chip has been shut down and the driver detached from
6232 * the networking, so no interrupts or new tx packets will
6233 * end up in the driver. tp->{tx,}lock are held and thus
6236 static int tg3_rx_prodring_alloc(struct tg3 *tp,
6237 struct tg3_rx_prodring_set *tpr)
6239 u32 i, rx_pkt_dma_sz;
6241 tpr->rx_std_cons_idx = 0;
6242 tpr->rx_std_prod_idx = 0;
6243 tpr->rx_jmb_cons_idx = 0;
6244 tpr->rx_jmb_prod_idx = 0;
6246 if (tpr != &tp->napi[0].prodring) {
6247 memset(&tpr->rx_std_buffers[0], 0,
6248 TG3_RX_STD_BUFF_RING_SIZE(tp));
6249 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE)
6250 memset(&tpr->rx_jmb_buffers[0], 0,
6251 TG3_RX_JMB_BUFF_RING_SIZE(tp));
6255 /* Zero out all descriptors. */
6256 memset(tpr->rx_std, 0, TG3_RX_STD_RING_BYTES(tp));
6258 rx_pkt_dma_sz = TG3_RX_STD_DMA_SZ;
6259 if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
6260 tp->dev->mtu > ETH_DATA_LEN)
6261 rx_pkt_dma_sz = TG3_RX_JMB_DMA_SZ;
6262 tp->rx_pkt_map_sz = TG3_RX_DMA_TO_MAP_SZ(rx_pkt_dma_sz);
6264 /* Initialize invariants of the rings, we only set this
6265 * stuff once. This works because the card does not
6266 * write into the rx buffer posting rings.
6268 for (i = 0; i <= tp->rx_std_ring_mask; i++) {
6269 struct tg3_rx_buffer_desc *rxd;
6271 rxd = &tpr->rx_std[i];
6272 rxd->idx_len = rx_pkt_dma_sz << RXD_LEN_SHIFT;
6273 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
6274 rxd->opaque = (RXD_OPAQUE_RING_STD |
6275 (i << RXD_OPAQUE_INDEX_SHIFT));
6278 /* Now allocate fresh SKBs for each rx ring. */
6279 for (i = 0; i < tp->rx_pending; i++) {
6280 if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_STD, i) < 0) {
6281 netdev_warn(tp->dev,
6282 "Using a smaller RX standard ring. Only "
6283 "%d out of %d buffers were allocated "
6284 "successfully\n", i, tp->rx_pending);
6292 if (!(tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE))
6295 memset(tpr->rx_jmb, 0, TG3_RX_JMB_RING_BYTES(tp));
6297 if (!(tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE))
6300 for (i = 0; i <= tp->rx_jmb_ring_mask; i++) {
6301 struct tg3_rx_buffer_desc *rxd;
6303 rxd = &tpr->rx_jmb[i].std;
6304 rxd->idx_len = TG3_RX_JMB_DMA_SZ << RXD_LEN_SHIFT;
6305 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
6307 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
6308 (i << RXD_OPAQUE_INDEX_SHIFT));
6311 for (i = 0; i < tp->rx_jumbo_pending; i++) {
6312 if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_JUMBO, i) < 0) {
6313 netdev_warn(tp->dev,
6314 "Using a smaller RX jumbo ring. Only %d "
6315 "out of %d buffers were allocated "
6316 "successfully\n", i, tp->rx_jumbo_pending);
6319 tp->rx_jumbo_pending = i;
6328 tg3_rx_prodring_free(tp, tpr);
6332 static void tg3_rx_prodring_fini(struct tg3 *tp,
6333 struct tg3_rx_prodring_set *tpr)
6335 kfree(tpr->rx_std_buffers);
6336 tpr->rx_std_buffers = NULL;
6337 kfree(tpr->rx_jmb_buffers);
6338 tpr->rx_jmb_buffers = NULL;
6340 pci_free_consistent(tp->pdev, TG3_RX_STD_RING_BYTES(tp),
6341 tpr->rx_std, tpr->rx_std_mapping);
6345 pci_free_consistent(tp->pdev, TG3_RX_JMB_RING_BYTES(tp),
6346 tpr->rx_jmb, tpr->rx_jmb_mapping);
6351 static int tg3_rx_prodring_init(struct tg3 *tp,
6352 struct tg3_rx_prodring_set *tpr)
6354 tpr->rx_std_buffers = kzalloc(TG3_RX_STD_BUFF_RING_SIZE(tp),
6356 if (!tpr->rx_std_buffers)
6359 tpr->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_STD_RING_BYTES(tp),
6360 &tpr->rx_std_mapping);
6364 if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
6365 tpr->rx_jmb_buffers = kzalloc(TG3_RX_JMB_BUFF_RING_SIZE(tp),
6367 if (!tpr->rx_jmb_buffers)
6370 tpr->rx_jmb = pci_alloc_consistent(tp->pdev,
6371 TG3_RX_JMB_RING_BYTES(tp),
6372 &tpr->rx_jmb_mapping);
6380 tg3_rx_prodring_fini(tp, tpr);
6384 /* Free up pending packets in all rx/tx rings.
6386 * The chip has been shut down and the driver detached from
6387 * the networking, so no interrupts or new tx packets will
6388 * end up in the driver. tp->{tx,}lock is not held and we are not
6389 * in an interrupt context and thus may sleep.
6391 static void tg3_free_rings(struct tg3 *tp)
6395 for (j = 0; j < tp->irq_cnt; j++) {
6396 struct tg3_napi *tnapi = &tp->napi[j];
6398 tg3_rx_prodring_free(tp, &tnapi->prodring);
6400 if (!tnapi->tx_buffers)
6403 for (i = 0; i < TG3_TX_RING_SIZE; ) {
6404 struct ring_info *txp;
6405 struct sk_buff *skb;
6408 txp = &tnapi->tx_buffers[i];
6416 pci_unmap_single(tp->pdev,
6417 dma_unmap_addr(txp, mapping),
6424 for (k = 0; k < skb_shinfo(skb)->nr_frags; k++) {
6425 txp = &tnapi->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
6426 pci_unmap_page(tp->pdev,
6427 dma_unmap_addr(txp, mapping),
6428 skb_shinfo(skb)->frags[k].size,
6433 dev_kfree_skb_any(skb);
6438 /* Initialize tx/rx rings for packet processing.
6440 * The chip has been shut down and the driver detached from
6441 * the networking, so no interrupts or new tx packets will
6442 * end up in the driver. tp->{tx,}lock are held and thus
6445 static int tg3_init_rings(struct tg3 *tp)
6449 /* Free up all the SKBs. */
6452 for (i = 0; i < tp->irq_cnt; i++) {
6453 struct tg3_napi *tnapi = &tp->napi[i];
6455 tnapi->last_tag = 0;
6456 tnapi->last_irq_tag = 0;
6457 tnapi->hw_status->status = 0;
6458 tnapi->hw_status->status_tag = 0;
6459 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6464 memset(tnapi->tx_ring, 0, TG3_TX_RING_BYTES);
6466 tnapi->rx_rcb_ptr = 0;
6468 memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
6470 if (tg3_rx_prodring_alloc(tp, &tnapi->prodring)) {
6480 * Must not be invoked with interrupt sources disabled and
6481 * the hardware shutdown down.
6483 static void tg3_free_consistent(struct tg3 *tp)
6487 for (i = 0; i < tp->irq_cnt; i++) {
6488 struct tg3_napi *tnapi = &tp->napi[i];
6490 if (tnapi->tx_ring) {
6491 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
6492 tnapi->tx_ring, tnapi->tx_desc_mapping);
6493 tnapi->tx_ring = NULL;
6496 kfree(tnapi->tx_buffers);
6497 tnapi->tx_buffers = NULL;
6499 if (tnapi->rx_rcb) {
6500 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
6502 tnapi->rx_rcb_mapping);
6503 tnapi->rx_rcb = NULL;
6506 tg3_rx_prodring_fini(tp, &tnapi->prodring);
6508 if (tnapi->hw_status) {
6509 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
6511 tnapi->status_mapping);
6512 tnapi->hw_status = NULL;
6517 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
6518 tp->hw_stats, tp->stats_mapping);
6519 tp->hw_stats = NULL;
6524 * Must not be invoked with interrupt sources disabled and
6525 * the hardware shutdown down. Can sleep.
6527 static int tg3_alloc_consistent(struct tg3 *tp)
6531 tp->hw_stats = pci_alloc_consistent(tp->pdev,
6532 sizeof(struct tg3_hw_stats),
6533 &tp->stats_mapping);
6537 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6539 for (i = 0; i < tp->irq_cnt; i++) {
6540 struct tg3_napi *tnapi = &tp->napi[i];
6541 struct tg3_hw_status *sblk;
6543 tnapi->hw_status = pci_alloc_consistent(tp->pdev,
6545 &tnapi->status_mapping);
6546 if (!tnapi->hw_status)
6549 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6550 sblk = tnapi->hw_status;
6552 if (tg3_rx_prodring_init(tp, &tnapi->prodring))
6555 /* If multivector TSS is enabled, vector 0 does not handle
6556 * tx interrupts. Don't allocate any resources for it.
6558 if ((!i && !(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) ||
6559 (i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS))) {
6560 tnapi->tx_buffers = kzalloc(sizeof(struct ring_info) *
6563 if (!tnapi->tx_buffers)
6566 tnapi->tx_ring = pci_alloc_consistent(tp->pdev,
6568 &tnapi->tx_desc_mapping);
6569 if (!tnapi->tx_ring)
6574 * When RSS is enabled, the status block format changes
6575 * slightly. The "rx_jumbo_consumer", "reserved",
6576 * and "rx_mini_consumer" members get mapped to the
6577 * other three rx return ring producer indexes.
6581 tnapi->rx_rcb_prod_idx = &sblk->idx[0].rx_producer;
6584 tnapi->rx_rcb_prod_idx = &sblk->rx_jumbo_consumer;
6587 tnapi->rx_rcb_prod_idx = &sblk->reserved;
6590 tnapi->rx_rcb_prod_idx = &sblk->rx_mini_consumer;
6595 * If multivector RSS is enabled, vector 0 does not handle
6596 * rx or tx interrupts. Don't allocate any resources for it.
6598 if (!i && (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS))
6601 tnapi->rx_rcb = pci_alloc_consistent(tp->pdev,
6602 TG3_RX_RCB_RING_BYTES(tp),
6603 &tnapi->rx_rcb_mapping);
6607 memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
6613 tg3_free_consistent(tp);
6617 #define MAX_WAIT_CNT 1000
6619 /* To stop a block, clear the enable bit and poll till it
6620 * clears. tp->lock is held.
6622 static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
6627 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6634 /* We can't enable/disable these bits of the
6635 * 5705/5750, just say success.
6648 for (i = 0; i < MAX_WAIT_CNT; i++) {
6651 if ((val & enable_bit) == 0)
6655 if (i == MAX_WAIT_CNT && !silent) {
6656 dev_err(&tp->pdev->dev,
6657 "tg3_stop_block timed out, ofs=%lx enable_bit=%x\n",
6665 /* tp->lock is held. */
6666 static int tg3_abort_hw(struct tg3 *tp, int silent)
6670 tg3_disable_ints(tp);
6672 tp->rx_mode &= ~RX_MODE_ENABLE;
6673 tw32_f(MAC_RX_MODE, tp->rx_mode);
6676 err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
6677 err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
6678 err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
6679 err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
6680 err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
6681 err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
6683 err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
6684 err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
6685 err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
6686 err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
6687 err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
6688 err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
6689 err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
6691 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
6692 tw32_f(MAC_MODE, tp->mac_mode);
6695 tp->tx_mode &= ~TX_MODE_ENABLE;
6696 tw32_f(MAC_TX_MODE, tp->tx_mode);
6698 for (i = 0; i < MAX_WAIT_CNT; i++) {
6700 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
6703 if (i >= MAX_WAIT_CNT) {
6704 dev_err(&tp->pdev->dev,
6705 "%s timed out, TX_MODE_ENABLE will not clear "
6706 "MAC_TX_MODE=%08x\n", __func__, tr32(MAC_TX_MODE));
6710 err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
6711 err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
6712 err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
6714 tw32(FTQ_RESET, 0xffffffff);
6715 tw32(FTQ_RESET, 0x00000000);
6717 err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
6718 err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
6720 for (i = 0; i < tp->irq_cnt; i++) {
6721 struct tg3_napi *tnapi = &tp->napi[i];
6722 if (tnapi->hw_status)
6723 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
6726 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
6731 static void tg3_ape_send_event(struct tg3 *tp, u32 event)
6736 /* NCSI does not support APE events */
6737 if (tp->tg3_flags3 & TG3_FLG3_APE_HAS_NCSI)
6740 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
6741 if (apedata != APE_SEG_SIG_MAGIC)
6744 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
6745 if (!(apedata & APE_FW_STATUS_READY))
6748 /* Wait for up to 1 millisecond for APE to service previous event. */
6749 for (i = 0; i < 10; i++) {
6750 if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM))
6753 apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS);
6755 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6756 tg3_ape_write32(tp, TG3_APE_EVENT_STATUS,
6757 event | APE_EVENT_STATUS_EVENT_PENDING);
6759 tg3_ape_unlock(tp, TG3_APE_LOCK_MEM);
6761 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6767 if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING))
6768 tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1);
6771 static void tg3_ape_driver_state_change(struct tg3 *tp, int kind)
6776 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE))
6780 case RESET_KIND_INIT:
6781 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG,
6782 APE_HOST_SEG_SIG_MAGIC);
6783 tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN,
6784 APE_HOST_SEG_LEN_MAGIC);
6785 apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT);
6786 tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata);
6787 tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID,
6788 APE_HOST_DRIVER_ID_MAGIC(TG3_MAJ_NUM, TG3_MIN_NUM));
6789 tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
6790 APE_HOST_BEHAV_NO_PHYLOCK);
6791 tg3_ape_write32(tp, TG3_APE_HOST_DRVR_STATE,
6792 TG3_APE_HOST_DRVR_STATE_START);
6794 event = APE_EVENT_STATUS_STATE_START;
6796 case RESET_KIND_SHUTDOWN:
6797 /* With the interface we are currently using,
6798 * APE does not track driver state. Wiping
6799 * out the HOST SEGMENT SIGNATURE forces
6800 * the APE to assume OS absent status.
6802 tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0);
6804 if (device_may_wakeup(&tp->pdev->dev) &&
6805 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)) {
6806 tg3_ape_write32(tp, TG3_APE_HOST_WOL_SPEED,
6807 TG3_APE_HOST_WOL_SPEED_AUTO);
6808 apedata = TG3_APE_HOST_DRVR_STATE_WOL;
6810 apedata = TG3_APE_HOST_DRVR_STATE_UNLOAD;
6812 tg3_ape_write32(tp, TG3_APE_HOST_DRVR_STATE, apedata);
6814 event = APE_EVENT_STATUS_STATE_UNLOAD;
6816 case RESET_KIND_SUSPEND:
6817 event = APE_EVENT_STATUS_STATE_SUSPEND;
6823 event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE;
6825 tg3_ape_send_event(tp, event);
6828 /* tp->lock is held. */
6829 static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
6831 tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
6832 NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
6834 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6836 case RESET_KIND_INIT:
6837 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6841 case RESET_KIND_SHUTDOWN:
6842 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6846 case RESET_KIND_SUSPEND:
6847 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6856 if (kind == RESET_KIND_INIT ||
6857 kind == RESET_KIND_SUSPEND)
6858 tg3_ape_driver_state_change(tp, kind);
6861 /* tp->lock is held. */
6862 static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
6864 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
6866 case RESET_KIND_INIT:
6867 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6868 DRV_STATE_START_DONE);
6871 case RESET_KIND_SHUTDOWN:
6872 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6873 DRV_STATE_UNLOAD_DONE);
6881 if (kind == RESET_KIND_SHUTDOWN)
6882 tg3_ape_driver_state_change(tp, kind);
6885 /* tp->lock is held. */
6886 static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
6888 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6890 case RESET_KIND_INIT:
6891 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6895 case RESET_KIND_SHUTDOWN:
6896 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6900 case RESET_KIND_SUSPEND:
6901 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
6911 static int tg3_poll_fw(struct tg3 *tp)
6916 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6917 /* Wait up to 20ms for init done. */
6918 for (i = 0; i < 200; i++) {
6919 if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
6926 /* Wait for firmware initialization to complete. */
6927 for (i = 0; i < 100000; i++) {
6928 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
6929 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
6934 /* Chip might not be fitted with firmware. Some Sun onboard
6935 * parts are configured like that. So don't signal the timeout
6936 * of the above loop as an error, but do report the lack of
6937 * running firmware once.
6940 !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
6941 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
6943 netdev_info(tp->dev, "No firmware running\n");
6946 if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0) {
6947 /* The 57765 A0 needs a little more
6948 * time to do some important work.
6956 /* Save PCI command register before chip reset */
6957 static void tg3_save_pci_state(struct tg3 *tp)
6959 pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
6962 /* Restore PCI state after chip reset */
6963 static void tg3_restore_pci_state(struct tg3 *tp)
6967 /* Re-enable indirect register accesses. */
6968 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
6969 tp->misc_host_ctrl);
6971 /* Set MAX PCI retry to zero. */
6972 val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
6973 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6974 (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
6975 val |= PCISTATE_RETRY_SAME_DMA;
6976 /* Allow reads and writes to the APE register and memory space. */
6977 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
6978 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
6979 PCISTATE_ALLOW_APE_SHMEM_WR |
6980 PCISTATE_ALLOW_APE_PSPACE_WR;
6981 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
6983 pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
6985 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) {
6986 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6987 pcie_set_readrq(tp->pdev, 4096);
6989 pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
6990 tp->pci_cacheline_sz);
6991 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
6996 /* Make sure PCI-X relaxed ordering bit is clear. */
6997 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
7000 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
7002 pcix_cmd &= ~PCI_X_CMD_ERO;
7003 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
7007 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
7009 /* Chip reset on 5780 will reset MSI enable bit,
7010 * so need to restore it.
7012 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7015 pci_read_config_word(tp->pdev,
7016 tp->msi_cap + PCI_MSI_FLAGS,
7018 pci_write_config_word(tp->pdev,
7019 tp->msi_cap + PCI_MSI_FLAGS,
7020 ctrl | PCI_MSI_FLAGS_ENABLE);
7021 val = tr32(MSGINT_MODE);
7022 tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
7027 static void tg3_stop_fw(struct tg3 *);
7029 /* tp->lock is held. */
7030 static int tg3_chip_reset(struct tg3 *tp)
7033 void (*write_op)(struct tg3 *, u32, u32);
7038 tg3_ape_lock(tp, TG3_APE_LOCK_GRC);
7040 /* No matching tg3_nvram_unlock() after this because
7041 * chip reset below will undo the nvram lock.
7043 tp->nvram_lock_cnt = 0;
7045 /* GRC_MISC_CFG core clock reset will clear the memory
7046 * enable bit in PCI register 4 and the MSI enable bit
7047 * on some chips, so we save relevant registers here.
7049 tg3_save_pci_state(tp);
7051 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
7052 (tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
7053 tw32(GRC_FASTBOOT_PC, 0);
7056 * We must avoid the readl() that normally takes place.
7057 * It locks machines, causes machine checks, and other
7058 * fun things. So, temporarily disable the 5701
7059 * hardware workaround, while we do the reset.
7061 write_op = tp->write32;
7062 if (write_op == tg3_write_flush_reg32)
7063 tp->write32 = tg3_write32;
7065 /* Prevent the irq handler from reading or writing PCI registers
7066 * during chip reset when the memory enable bit in the PCI command
7067 * register may be cleared. The chip does not generate interrupt
7068 * at this time, but the irq handler may still be called due to irq
7069 * sharing or irqpoll.
7071 tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
7072 for (i = 0; i < tp->irq_cnt; i++) {
7073 struct tg3_napi *tnapi = &tp->napi[i];
7074 if (tnapi->hw_status) {
7075 tnapi->hw_status->status = 0;
7076 tnapi->hw_status->status_tag = 0;
7078 tnapi->last_tag = 0;
7079 tnapi->last_irq_tag = 0;
7083 for (i = 0; i < tp->irq_cnt; i++)
7084 synchronize_irq(tp->napi[i].irq_vec);
7086 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
7087 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
7088 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
7092 val = GRC_MISC_CFG_CORECLK_RESET;
7094 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
7095 /* Force PCIe 1.0a mode */
7096 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
7097 !(tp->tg3_flags3 & TG3_FLG3_5717_PLUS) &&
7098 tr32(TG3_PCIE_PHY_TSTCTL) ==
7099 (TG3_PCIE_PHY_TSTCTL_PCIE10 | TG3_PCIE_PHY_TSTCTL_PSCRAM))
7100 tw32(TG3_PCIE_PHY_TSTCTL, TG3_PCIE_PHY_TSTCTL_PSCRAM);
7102 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
7103 tw32(GRC_MISC_CFG, (1 << 29));
7108 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7109 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
7110 tw32(GRC_VCPU_EXT_CTRL,
7111 tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
7114 /* Manage gphy power for all CPMU absent PCIe devices. */
7115 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
7116 !(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT))
7117 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
7119 tw32(GRC_MISC_CFG, val);
7121 /* restore 5701 hardware bug workaround write method */
7122 tp->write32 = write_op;
7124 /* Unfortunately, we have to delay before the PCI read back.
7125 * Some 575X chips even will not respond to a PCI cfg access
7126 * when the reset command is given to the chip.
7128 * How do these hardware designers expect things to work
7129 * properly if the PCI write is posted for a long period
7130 * of time? It is always necessary to have some method by
7131 * which a register read back can occur to push the write
7132 * out which does the reset.
7134 * For most tg3 variants the trick below was working.
7139 /* Flush PCI posted writes. The normal MMIO registers
7140 * are inaccessible at this time so this is the only
7141 * way to make this reliably (actually, this is no longer
7142 * the case, see above). I tried to use indirect
7143 * register read/write but this upset some 5701 variants.
7145 pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
7149 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && tp->pcie_cap) {
7152 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
7156 /* Wait for link training to complete. */
7157 for (i = 0; i < 5000; i++)
7160 pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
7161 pci_write_config_dword(tp->pdev, 0xc4,
7162 cfg_val | (1 << 15));
7165 /* Clear the "no snoop" and "relaxed ordering" bits. */
7166 pci_read_config_word(tp->pdev,
7167 tp->pcie_cap + PCI_EXP_DEVCTL,
7169 val16 &= ~(PCI_EXP_DEVCTL_RELAX_EN |
7170 PCI_EXP_DEVCTL_NOSNOOP_EN);
7172 * Older PCIe devices only support the 128 byte
7173 * MPS setting. Enforce the restriction.
7175 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT))
7176 val16 &= ~PCI_EXP_DEVCTL_PAYLOAD;
7177 pci_write_config_word(tp->pdev,
7178 tp->pcie_cap + PCI_EXP_DEVCTL,
7181 pcie_set_readrq(tp->pdev, 4096);
7183 /* Clear error status */
7184 pci_write_config_word(tp->pdev,
7185 tp->pcie_cap + PCI_EXP_DEVSTA,
7186 PCI_EXP_DEVSTA_CED |
7187 PCI_EXP_DEVSTA_NFED |
7188 PCI_EXP_DEVSTA_FED |
7189 PCI_EXP_DEVSTA_URD);
7192 tg3_restore_pci_state(tp);
7194 tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
7197 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
7198 val = tr32(MEMARB_MODE);
7199 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
7201 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
7203 tw32(0x5000, 0x400);
7206 tw32(GRC_MODE, tp->grc_mode);
7208 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
7211 tw32(0xc4, val | (1 << 15));
7214 if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
7215 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7216 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
7217 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
7218 tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
7219 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
7222 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
7223 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
7224 tw32_f(MAC_MODE, tp->mac_mode);
7225 } else if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) {
7226 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
7227 tw32_f(MAC_MODE, tp->mac_mode);
7228 } else if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
7229 tp->mac_mode &= (MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN);
7230 if (tp->mac_mode & MAC_MODE_APE_TX_EN)
7231 tp->mac_mode |= MAC_MODE_TDE_ENABLE;
7232 tw32_f(MAC_MODE, tp->mac_mode);
7234 tw32_f(MAC_MODE, 0);
7237 tg3_ape_unlock(tp, TG3_APE_LOCK_GRC);
7239 err = tg3_poll_fw(tp);
7245 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
7246 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
7247 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
7248 !(tp->tg3_flags3 & TG3_FLG3_5717_PLUS)) {
7251 tw32(0x7c00, val | (1 << 25));
7254 /* Reprobe ASF enable state. */
7255 tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
7256 tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
7257 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
7258 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
7261 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
7262 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
7263 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
7264 tp->last_event_jiffies = jiffies;
7265 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
7266 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
7273 /* tp->lock is held. */
7274 static void tg3_stop_fw(struct tg3 *tp)
7276 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
7277 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
7278 /* Wait for RX cpu to ACK the previous event. */
7279 tg3_wait_for_event_ack(tp);
7281 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
7283 tg3_generate_fw_event(tp);
7285 /* Wait for RX cpu to ACK this event. */
7286 tg3_wait_for_event_ack(tp);
7290 /* tp->lock is held. */
7291 static int tg3_halt(struct tg3 *tp, int kind, int silent)
7297 tg3_write_sig_pre_reset(tp, kind);
7299 tg3_abort_hw(tp, silent);
7300 err = tg3_chip_reset(tp);
7302 __tg3_set_mac_addr(tp, 0);
7304 tg3_write_sig_legacy(tp, kind);
7305 tg3_write_sig_post_reset(tp, kind);
7313 #define RX_CPU_SCRATCH_BASE 0x30000
7314 #define RX_CPU_SCRATCH_SIZE 0x04000
7315 #define TX_CPU_SCRATCH_BASE 0x34000
7316 #define TX_CPU_SCRATCH_SIZE 0x04000
7318 /* tp->lock is held. */
7319 static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
7323 BUG_ON(offset == TX_CPU_BASE &&
7324 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
7326 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
7327 u32 val = tr32(GRC_VCPU_EXT_CTRL);
7329 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
7332 if (offset == RX_CPU_BASE) {
7333 for (i = 0; i < 10000; i++) {
7334 tw32(offset + CPU_STATE, 0xffffffff);
7335 tw32(offset + CPU_MODE, CPU_MODE_HALT);
7336 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
7340 tw32(offset + CPU_STATE, 0xffffffff);
7341 tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
7344 for (i = 0; i < 10000; i++) {
7345 tw32(offset + CPU_STATE, 0xffffffff);
7346 tw32(offset + CPU_MODE, CPU_MODE_HALT);
7347 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
7353 netdev_err(tp->dev, "%s timed out, %s CPU\n",
7354 __func__, offset == RX_CPU_BASE ? "RX" : "TX");
7358 /* Clear firmware's nvram arbitration. */
7359 if (tp->tg3_flags & TG3_FLAG_NVRAM)
7360 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
7365 unsigned int fw_base;
7366 unsigned int fw_len;
7367 const __be32 *fw_data;
7370 /* tp->lock is held. */
7371 static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
7372 int cpu_scratch_size, struct fw_info *info)
7374 int err, lock_err, i;
7375 void (*write_op)(struct tg3 *, u32, u32);
7377 if (cpu_base == TX_CPU_BASE &&
7378 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7380 "%s: Trying to load TX cpu firmware which is 5705\n",
7385 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
7386 write_op = tg3_write_mem;
7388 write_op = tg3_write_indirect_reg32;
7390 /* It is possible that bootcode is still loading at this point.
7391 * Get the nvram lock first before halting the cpu.
7393 lock_err = tg3_nvram_lock(tp);
7394 err = tg3_halt_cpu(tp, cpu_base);
7396 tg3_nvram_unlock(tp);
7400 for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
7401 write_op(tp, cpu_scratch_base + i, 0);
7402 tw32(cpu_base + CPU_STATE, 0xffffffff);
7403 tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
7404 for (i = 0; i < (info->fw_len / sizeof(u32)); i++)
7405 write_op(tp, (cpu_scratch_base +
7406 (info->fw_base & 0xffff) +
7408 be32_to_cpu(info->fw_data[i]));
7416 /* tp->lock is held. */
7417 static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
7419 struct fw_info info;
7420 const __be32 *fw_data;
7423 fw_data = (void *)tp->fw->data;
7425 /* Firmware blob starts with version numbers, followed by
7426 start address and length. We are setting complete length.
7427 length = end_address_of_bss - start_address_of_text.
7428 Remainder is the blob to be loaded contiguously
7429 from start address. */
7431 info.fw_base = be32_to_cpu(fw_data[1]);
7432 info.fw_len = tp->fw->size - 12;
7433 info.fw_data = &fw_data[3];
7435 err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
7436 RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
7441 err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
7442 TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
7447 /* Now startup only the RX cpu. */
7448 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7449 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
7451 for (i = 0; i < 5; i++) {
7452 if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base)
7454 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7455 tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
7456 tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base);
7460 netdev_err(tp->dev, "%s fails to set RX CPU PC, is %08x "
7461 "should be %08x\n", __func__,
7462 tr32(RX_CPU_BASE + CPU_PC), info.fw_base);
7465 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
7466 tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
7471 /* 5705 needs a special version of the TSO firmware. */
7473 /* tp->lock is held. */
7474 static int tg3_load_tso_firmware(struct tg3 *tp)
7476 struct fw_info info;
7477 const __be32 *fw_data;
7478 unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
7481 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
7484 fw_data = (void *)tp->fw->data;
7486 /* Firmware blob starts with version numbers, followed by
7487 start address and length. We are setting complete length.
7488 length = end_address_of_bss - start_address_of_text.
7489 Remainder is the blob to be loaded contiguously
7490 from start address. */
7492 info.fw_base = be32_to_cpu(fw_data[1]);
7493 cpu_scratch_size = tp->fw_len;
7494 info.fw_len = tp->fw->size - 12;
7495 info.fw_data = &fw_data[3];
7497 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
7498 cpu_base = RX_CPU_BASE;
7499 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
7501 cpu_base = TX_CPU_BASE;
7502 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
7503 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
7506 err = tg3_load_firmware_cpu(tp, cpu_base,
7507 cpu_scratch_base, cpu_scratch_size,
7512 /* Now startup the cpu. */
7513 tw32(cpu_base + CPU_STATE, 0xffffffff);
7514 tw32_f(cpu_base + CPU_PC, info.fw_base);
7516 for (i = 0; i < 5; i++) {
7517 if (tr32(cpu_base + CPU_PC) == info.fw_base)
7519 tw32(cpu_base + CPU_STATE, 0xffffffff);
7520 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
7521 tw32_f(cpu_base + CPU_PC, info.fw_base);
7526 "%s fails to set CPU PC, is %08x should be %08x\n",
7527 __func__, tr32(cpu_base + CPU_PC), info.fw_base);
7530 tw32(cpu_base + CPU_STATE, 0xffffffff);
7531 tw32_f(cpu_base + CPU_MODE, 0x00000000);
7536 static int tg3_set_mac_addr(struct net_device *dev, void *p)
7538 struct tg3 *tp = netdev_priv(dev);
7539 struct sockaddr *addr = p;
7540 int err = 0, skip_mac_1 = 0;
7542 if (!is_valid_ether_addr(addr->sa_data))
7545 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7547 if (!netif_running(dev))
7550 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
7551 u32 addr0_high, addr0_low, addr1_high, addr1_low;
7553 addr0_high = tr32(MAC_ADDR_0_HIGH);
7554 addr0_low = tr32(MAC_ADDR_0_LOW);
7555 addr1_high = tr32(MAC_ADDR_1_HIGH);
7556 addr1_low = tr32(MAC_ADDR_1_LOW);
7558 /* Skip MAC addr 1 if ASF is using it. */
7559 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
7560 !(addr1_high == 0 && addr1_low == 0))
7563 spin_lock_bh(&tp->lock);
7564 __tg3_set_mac_addr(tp, skip_mac_1);
7565 spin_unlock_bh(&tp->lock);
7570 /* tp->lock is held. */
7571 static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
7572 dma_addr_t mapping, u32 maxlen_flags,
7576 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
7577 ((u64) mapping >> 32));
7579 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
7580 ((u64) mapping & 0xffffffff));
7582 (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
7585 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7587 (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
7591 static void __tg3_set_rx_mode(struct net_device *);
7592 static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
7596 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)) {
7597 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
7598 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
7599 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
7601 tw32(HOSTCC_TXCOL_TICKS, 0);
7602 tw32(HOSTCC_TXMAX_FRAMES, 0);
7603 tw32(HOSTCC_TXCOAL_MAXF_INT, 0);
7606 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)) {
7607 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
7608 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
7609 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
7611 tw32(HOSTCC_RXCOL_TICKS, 0);
7612 tw32(HOSTCC_RXMAX_FRAMES, 0);
7613 tw32(HOSTCC_RXCOAL_MAXF_INT, 0);
7616 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7617 u32 val = ec->stats_block_coalesce_usecs;
7619 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
7620 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
7622 if (!netif_carrier_ok(tp->dev))
7625 tw32(HOSTCC_STAT_COAL_TICKS, val);
7628 for (i = 0; i < tp->irq_cnt - 1; i++) {
7631 reg = HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18;
7632 tw32(reg, ec->rx_coalesce_usecs);
7633 reg = HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18;
7634 tw32(reg, ec->rx_max_coalesced_frames);
7635 reg = HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18;
7636 tw32(reg, ec->rx_max_coalesced_frames_irq);
7638 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
7639 reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18;
7640 tw32(reg, ec->tx_coalesce_usecs);
7641 reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18;
7642 tw32(reg, ec->tx_max_coalesced_frames);
7643 reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18;
7644 tw32(reg, ec->tx_max_coalesced_frames_irq);
7648 for (; i < tp->irq_max - 1; i++) {
7649 tw32(HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18, 0);
7650 tw32(HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18, 0);
7651 tw32(HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7653 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS) {
7654 tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0);
7655 tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0);
7656 tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0);
7661 /* tp->lock is held. */
7662 static void tg3_rings_reset(struct tg3 *tp)
7665 u32 stblk, txrcb, rxrcb, limit;
7666 struct tg3_napi *tnapi = &tp->napi[0];
7668 /* Disable all transmit rings but the first. */
7669 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7670 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16;
7671 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
7672 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
7673 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 4;
7674 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7675 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 2;
7677 limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7679 for (txrcb = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE;
7680 txrcb < limit; txrcb += TG3_BDINFO_SIZE)
7681 tg3_write_mem(tp, txrcb + TG3_BDINFO_MAXLEN_FLAGS,
7682 BDINFO_FLAGS_DISABLED);
7685 /* Disable all receive return rings but the first. */
7686 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
7687 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
7688 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 17;
7689 else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
7690 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 16;
7691 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
7692 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
7693 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 4;
7695 limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7697 for (rxrcb = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE;
7698 rxrcb < limit; rxrcb += TG3_BDINFO_SIZE)
7699 tg3_write_mem(tp, rxrcb + TG3_BDINFO_MAXLEN_FLAGS,
7700 BDINFO_FLAGS_DISABLED);
7702 /* Disable interrupts */
7703 tw32_mailbox_f(tp->napi[0].int_mbox, 1);
7705 /* Zero mailbox registers. */
7706 if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) {
7707 for (i = 1; i < tp->irq_max; i++) {
7708 tp->napi[i].tx_prod = 0;
7709 tp->napi[i].tx_cons = 0;
7710 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
7711 tw32_mailbox(tp->napi[i].prodmbox, 0);
7712 tw32_rx_mbox(tp->napi[i].consmbox, 0);
7713 tw32_mailbox_f(tp->napi[i].int_mbox, 1);
7715 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS))
7716 tw32_mailbox(tp->napi[0].prodmbox, 0);
7718 tp->napi[0].tx_prod = 0;
7719 tp->napi[0].tx_cons = 0;
7720 tw32_mailbox(tp->napi[0].prodmbox, 0);
7721 tw32_rx_mbox(tp->napi[0].consmbox, 0);
7724 /* Make sure the NIC-based send BD rings are disabled. */
7725 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
7726 u32 mbox = MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW;
7727 for (i = 0; i < 16; i++)
7728 tw32_tx_mbox(mbox + i * 8, 0);
7731 txrcb = NIC_SRAM_SEND_RCB;
7732 rxrcb = NIC_SRAM_RCV_RET_RCB;
7734 /* Clear status block in ram. */
7735 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7737 /* Set status block DMA address */
7738 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
7739 ((u64) tnapi->status_mapping >> 32));
7740 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
7741 ((u64) tnapi->status_mapping & 0xffffffff));
7743 if (tnapi->tx_ring) {
7744 tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7745 (TG3_TX_RING_SIZE <<
7746 BDINFO_FLAGS_MAXLEN_SHIFT),
7747 NIC_SRAM_TX_BUFFER_DESC);
7748 txrcb += TG3_BDINFO_SIZE;
7751 if (tnapi->rx_rcb) {
7752 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7753 (tp->rx_ret_ring_mask + 1) <<
7754 BDINFO_FLAGS_MAXLEN_SHIFT, 0);
7755 rxrcb += TG3_BDINFO_SIZE;
7758 stblk = HOSTCC_STATBLCK_RING1;
7760 for (i = 1, tnapi++; i < tp->irq_cnt; i++, tnapi++) {
7761 u64 mapping = (u64)tnapi->status_mapping;
7762 tw32(stblk + TG3_64BIT_REG_HIGH, mapping >> 32);
7763 tw32(stblk + TG3_64BIT_REG_LOW, mapping & 0xffffffff);
7765 /* Clear status block in ram. */
7766 memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE);
7768 if (tnapi->tx_ring) {
7769 tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping,
7770 (TG3_TX_RING_SIZE <<
7771 BDINFO_FLAGS_MAXLEN_SHIFT),
7772 NIC_SRAM_TX_BUFFER_DESC);
7773 txrcb += TG3_BDINFO_SIZE;
7776 tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping,
7777 ((tp->rx_ret_ring_mask + 1) <<
7778 BDINFO_FLAGS_MAXLEN_SHIFT), 0);
7781 rxrcb += TG3_BDINFO_SIZE;
7785 /* tp->lock is held. */
7786 static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
7788 u32 val, rdmac_mode;
7790 struct tg3_rx_prodring_set *tpr = &tp->napi[0].prodring;
7792 tg3_disable_ints(tp);
7796 tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
7798 if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)
7799 tg3_abort_hw(tp, 1);
7804 err = tg3_chip_reset(tp);
7808 tg3_write_sig_legacy(tp, RESET_KIND_INIT);
7810 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) {
7811 val = tr32(TG3_CPMU_CTRL);
7812 val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE);
7813 tw32(TG3_CPMU_CTRL, val);
7815 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
7816 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
7817 val |= CPMU_LSPD_10MB_MACCLK_6_25;
7818 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
7820 val = tr32(TG3_CPMU_LNK_AWARE_PWRMD);
7821 val &= ~CPMU_LNK_AWARE_MACCLK_MASK;
7822 val |= CPMU_LNK_AWARE_MACCLK_6_25;
7823 tw32(TG3_CPMU_LNK_AWARE_PWRMD, val);
7825 val = tr32(TG3_CPMU_HST_ACC);
7826 val &= ~CPMU_HST_ACC_MACCLK_MASK;
7827 val |= CPMU_HST_ACC_MACCLK_6_25;
7828 tw32(TG3_CPMU_HST_ACC, val);
7831 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
7832 val = tr32(PCIE_PWR_MGMT_THRESH) & ~PCIE_PWR_MGMT_L1_THRESH_MSK;
7833 val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN |
7834 PCIE_PWR_MGMT_L1_THRESH_4MS;
7835 tw32(PCIE_PWR_MGMT_THRESH, val);
7837 val = tr32(TG3_PCIE_EIDLE_DELAY) & ~TG3_PCIE_EIDLE_DELAY_MASK;
7838 tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
7840 tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
7842 val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
7843 tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
7846 if (tp->tg3_flags3 & TG3_FLG3_L1PLLPD_EN) {
7847 u32 grc_mode = tr32(GRC_MODE);
7849 /* Access the lower 1K of PL PCIE block registers. */
7850 val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
7851 tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL);
7853 val = tr32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1);
7854 tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1,
7855 val | TG3_PCIE_PL_LO_PHYCTL1_L1PLLPD_EN);
7857 tw32(GRC_MODE, grc_mode);
7860 if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0) {
7861 u32 grc_mode = tr32(GRC_MODE);
7863 /* Access the lower 1K of PL PCIE block registers. */
7864 val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK;
7865 tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL);
7867 val = tr32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL5);
7868 tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL5,
7869 val | TG3_PCIE_PL_LO_PHYCTL5_DIS_L2CLKREQ);
7871 tw32(GRC_MODE, grc_mode);
7873 val = tr32(TG3_CPMU_LSPD_10MB_CLK);
7874 val &= ~CPMU_LSPD_10MB_MACCLK_MASK;
7875 val |= CPMU_LSPD_10MB_MACCLK_6_25;
7876 tw32(TG3_CPMU_LSPD_10MB_CLK, val);
7879 /* Enable MAC control of LPI */
7880 if (tp->phy_flags & TG3_PHYFLG_EEE_CAP) {
7881 tw32_f(TG3_CPMU_EEE_LNKIDL_CTRL,
7882 TG3_CPMU_EEE_LNKIDL_PCIE_NL0 |
7883 TG3_CPMU_EEE_LNKIDL_UART_IDL);
7885 tw32_f(TG3_CPMU_EEE_CTRL,
7886 TG3_CPMU_EEE_CTRL_EXIT_20_1_US);
7888 tw32_f(TG3_CPMU_EEE_MODE,
7889 TG3_CPMU_EEEMD_ERLY_L1_XIT_DET |
7890 TG3_CPMU_EEEMD_LPI_IN_TX |
7891 TG3_CPMU_EEEMD_LPI_IN_RX |
7892 TG3_CPMU_EEEMD_EEE_ENABLE);
7895 /* This works around an issue with Athlon chipsets on
7896 * B3 tigon3 silicon. This bit has no effect on any
7897 * other revision. But do not set this on PCI Express
7898 * chips and don't even touch the clocks if the CPMU is present.
7900 if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
7901 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
7902 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
7903 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
7906 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
7907 (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
7908 val = tr32(TG3PCI_PCISTATE);
7909 val |= PCISTATE_RETRY_SAME_DMA;
7910 tw32(TG3PCI_PCISTATE, val);
7913 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
7914 /* Allow reads and writes to the
7915 * APE register and memory space.
7917 val = tr32(TG3PCI_PCISTATE);
7918 val |= PCISTATE_ALLOW_APE_CTLSPC_WR |
7919 PCISTATE_ALLOW_APE_SHMEM_WR |
7920 PCISTATE_ALLOW_APE_PSPACE_WR;
7921 tw32(TG3PCI_PCISTATE, val);
7924 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
7925 /* Enable some hw fixes. */
7926 val = tr32(TG3PCI_MSI_DATA);
7927 val |= (1 << 26) | (1 << 28) | (1 << 29);
7928 tw32(TG3PCI_MSI_DATA, val);
7931 /* Descriptor ring init may make accesses to the
7932 * NIC SRAM area to setup the TX descriptors, so we
7933 * can only do this after the hardware has been
7934 * successfully reset.
7936 err = tg3_init_rings(tp);
7940 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS) {
7941 val = tr32(TG3PCI_DMA_RW_CTRL) &
7942 ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
7943 if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0)
7944 val &= ~DMA_RWCTRL_CRDRDR_RDMA_MRRS_MSK;
7945 tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl);
7946 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
7947 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
7948 /* This value is determined during the probe time DMA
7949 * engine test, tg3_test_dma.
7951 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
7954 tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
7955 GRC_MODE_4X_NIC_SEND_RINGS |
7956 GRC_MODE_NO_TX_PHDR_CSUM |
7957 GRC_MODE_NO_RX_PHDR_CSUM);
7958 tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
7960 /* Pseudo-header checksum is done by hardware logic and not
7961 * the offload processers, so make the chip do the pseudo-
7962 * header checksums on receive. For transmit it is more
7963 * convenient to do the pseudo-header checksum in software
7964 * as Linux does that on transmit for us in all cases.
7966 tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
7970 (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
7972 /* Setup the timer prescalar register. Clock is always 66Mhz. */
7973 val = tr32(GRC_MISC_CFG);
7975 val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
7976 tw32(GRC_MISC_CFG, val);
7978 /* Initialize MBUF/DESC pool. */
7979 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
7981 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
7982 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
7983 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
7984 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
7986 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
7987 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
7988 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
7989 } else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
7992 fw_len = tp->fw_len;
7993 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
7994 tw32(BUFMGR_MB_POOL_ADDR,
7995 NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
7996 tw32(BUFMGR_MB_POOL_SIZE,
7997 NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
8000 if (tp->dev->mtu <= ETH_DATA_LEN) {
8001 tw32(BUFMGR_MB_RDMA_LOW_WATER,
8002 tp->bufmgr_config.mbuf_read_dma_low_water);
8003 tw32(BUFMGR_MB_MACRX_LOW_WATER,
8004 tp->bufmgr_config.mbuf_mac_rx_low_water);
8005 tw32(BUFMGR_MB_HIGH_WATER,
8006 tp->bufmgr_config.mbuf_high_water);
8008 tw32(BUFMGR_MB_RDMA_LOW_WATER,
8009 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
8010 tw32(BUFMGR_MB_MACRX_LOW_WATER,
8011 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
8012 tw32(BUFMGR_MB_HIGH_WATER,
8013 tp->bufmgr_config.mbuf_high_water_jumbo);
8015 tw32(BUFMGR_DMA_LOW_WATER,
8016 tp->bufmgr_config.dma_low_water);
8017 tw32(BUFMGR_DMA_HIGH_WATER,
8018 tp->bufmgr_config.dma_high_water);
8020 val = BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE;
8021 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
8022 val |= BUFMGR_MODE_NO_TX_UNDERRUN;
8023 tw32(BUFMGR_MODE, val);
8024 for (i = 0; i < 2000; i++) {
8025 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
8030 netdev_err(tp->dev, "%s cannot enable BUFMGR\n", __func__);
8034 /* Setup replenish threshold. */
8035 val = tp->rx_pending / 8;
8038 else if (val > tp->rx_std_max_post)
8039 val = tp->rx_std_max_post;
8040 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
8041 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
8042 tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
8044 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
8045 val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
8048 tw32(RCVBDI_STD_THRESH, val);
8050 /* Initialize TG3_BDINFO's at:
8051 * RCVDBDI_STD_BD: standard eth size rx ring
8052 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
8053 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
8056 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
8057 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
8058 * ring attribute flags
8059 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
8061 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
8062 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
8064 * The size of each ring is fixed in the firmware, but the location is
8067 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
8068 ((u64) tpr->rx_std_mapping >> 32));
8069 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
8070 ((u64) tpr->rx_std_mapping & 0xffffffff));
8071 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
8072 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5719)
8073 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
8074 NIC_SRAM_RX_BUFFER_DESC);
8076 /* Disable the mini ring */
8077 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8078 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
8079 BDINFO_FLAGS_DISABLED);
8081 /* Program the jumbo buffer descriptor ring control
8082 * blocks on those devices that have them.
8084 if ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) &&
8085 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
8086 /* Setup replenish threshold. */
8087 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
8089 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
8090 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
8091 ((u64) tpr->rx_jmb_mapping >> 32));
8092 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
8093 ((u64) tpr->rx_jmb_mapping & 0xffffffff));
8094 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
8095 (RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT) |
8096 BDINFO_FLAGS_USE_EXT_RECV);
8097 if (!(tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) ||
8098 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
8099 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
8100 NIC_SRAM_RX_JUMBO_BUFFER_DESC);
8102 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
8103 BDINFO_FLAGS_DISABLED);
8106 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS) {
8107 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
8108 val = RX_STD_MAX_SIZE_5705;
8110 val = RX_STD_MAX_SIZE_5717;
8111 val <<= BDINFO_FLAGS_MAXLEN_SHIFT;
8112 val |= (TG3_RX_STD_DMA_SZ << 2);
8114 val = TG3_RX_STD_DMA_SZ << BDINFO_FLAGS_MAXLEN_SHIFT;
8116 val = RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT;
8118 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
8120 tpr->rx_std_prod_idx = tp->rx_pending;
8121 tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, tpr->rx_std_prod_idx);
8123 tpr->rx_jmb_prod_idx = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
8124 tp->rx_jumbo_pending : 0;
8125 tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx);
8127 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS) {
8128 tw32(STD_REPLENISH_LWM, 32);
8129 tw32(JMB_REPLENISH_LWM, 16);
8132 tg3_rings_reset(tp);
8134 /* Initialize MAC address and backoff seed. */
8135 __tg3_set_mac_addr(tp, 0);
8137 /* MTU + ethernet header + FCS + optional VLAN tag */
8138 tw32(MAC_RX_MTU_SIZE,
8139 tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
8141 /* The slot time is changed by tg3_setup_phy if we
8142 * run at gigabit with half duplex.
8144 tw32(MAC_TX_LENGTHS,
8145 (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
8146 (6 << TX_LENGTHS_IPG_SHIFT) |
8147 (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
8149 /* Receive rules. */
8150 tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
8151 tw32(RCVLPC_CONFIG, 0x0181);
8153 /* Calculate RDMAC_MODE setting early, we need it to determine
8154 * the RCVLPC_STATE_ENABLE mask.
8156 rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
8157 RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
8158 RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
8159 RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
8160 RDMAC_MODE_LNGREAD_ENAB);
8162 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
8163 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
8164 rdmac_mode |= RDMAC_MODE_MULT_DMA_RD_DIS;
8166 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
8167 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
8168 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
8169 rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB |
8170 RDMAC_MODE_MBUF_RBD_CRPT_ENAB |
8171 RDMAC_MODE_MBUF_SBD_CRPT_ENAB;
8173 /* If statement applies to 5705 and 5750 PCI devices only */
8174 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
8175 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
8176 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
8177 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
8178 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
8179 rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
8180 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
8181 !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
8182 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
8186 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
8187 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
8189 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
8190 rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
8192 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
8193 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
8194 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
8195 rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
8197 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
8198 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
8199 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
8200 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
8201 (tp->tg3_flags3 & TG3_FLG3_5717_PLUS)) {
8202 val = tr32(TG3_RDMA_RSRVCTRL_REG);
8203 tw32(TG3_RDMA_RSRVCTRL_REG,
8204 val | TG3_RDMA_RSRVCTRL_FIFO_OFLW_FIX);
8207 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) {
8208 val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL);
8209 tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val |
8210 TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_BD_4K |
8211 TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_LSO_4K);
8214 /* Receive/send statistics. */
8215 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
8216 val = tr32(RCVLPC_STATS_ENABLE);
8217 val &= ~RCVLPC_STATSENAB_DACK_FIX;
8218 tw32(RCVLPC_STATS_ENABLE, val);
8219 } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
8220 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8221 val = tr32(RCVLPC_STATS_ENABLE);
8222 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
8223 tw32(RCVLPC_STATS_ENABLE, val);
8225 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
8227 tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
8228 tw32(SNDDATAI_STATSENAB, 0xffffff);
8229 tw32(SNDDATAI_STATSCTRL,
8230 (SNDDATAI_SCTRL_ENABLE |
8231 SNDDATAI_SCTRL_FASTUPD));
8233 /* Setup host coalescing engine. */
8234 tw32(HOSTCC_MODE, 0);
8235 for (i = 0; i < 2000; i++) {
8236 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
8241 __tg3_set_coalesce(tp, &tp->coal);
8243 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
8244 /* Status/statistics block address. See tg3_timer,
8245 * the tg3_periodic_fetch_stats call there, and
8246 * tg3_get_stats to see how this works for 5705/5750 chips.
8248 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
8249 ((u64) tp->stats_mapping >> 32));
8250 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
8251 ((u64) tp->stats_mapping & 0xffffffff));
8252 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
8254 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
8256 /* Clear statistics and status block memory areas */
8257 for (i = NIC_SRAM_STATS_BLK;
8258 i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
8260 tg3_write_mem(tp, i, 0);
8265 tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
8267 tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
8268 tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
8269 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8270 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
8272 if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) {
8273 tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT;
8274 /* reset to prevent losing 1st rx packet intermittently */
8275 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8279 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
8280 tp->mac_mode &= MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
8283 tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
8284 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
8285 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
8286 !(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
8287 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
8288 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
8289 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
8292 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
8293 * If TG3_FLG2_IS_NIC is zero, we should read the
8294 * register to preserve the GPIO settings for LOMs. The GPIOs,
8295 * whether used as inputs or outputs, are set by boot code after
8298 if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
8301 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
8302 GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
8303 GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
8305 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
8306 gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
8307 GRC_LCLCTRL_GPIO_OUTPUT3;
8309 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
8310 gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
8312 tp->grc_local_ctrl &= ~gpio_mask;
8313 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
8315 /* GPIO1 must be driven high for eeprom write protect */
8316 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
8317 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
8318 GRC_LCLCTRL_GPIO_OUTPUT1);
8320 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
8323 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX) {
8324 val = tr32(MSGINT_MODE);
8325 val |= MSGINT_MODE_MULTIVEC_EN | MSGINT_MODE_ENABLE;
8326 tw32(MSGINT_MODE, val);
8329 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
8330 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
8334 val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
8335 WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
8336 WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
8337 WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
8338 WDMAC_MODE_LNGREAD_ENAB);
8340 /* If statement applies to 5705 and 5750 PCI devices only */
8341 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
8342 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
8343 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
8344 if ((tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
8345 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
8346 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
8348 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
8349 !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8350 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
8351 val |= WDMAC_MODE_RX_ACCEL;
8355 /* Enable host coalescing bug fix */
8356 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
8357 val |= WDMAC_MODE_STATUS_TAG_FIX;
8359 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
8360 val |= WDMAC_MODE_BURST_ALL_DATA;
8362 tw32_f(WDMAC_MODE, val);
8365 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
8368 pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
8370 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
8371 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
8372 pcix_cmd |= PCI_X_CMD_READ_2K;
8373 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
8374 pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ);
8375 pcix_cmd |= PCI_X_CMD_READ_2K;
8377 pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD,
8381 tw32_f(RDMAC_MODE, rdmac_mode);
8384 tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
8385 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8386 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
8388 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
8390 SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
8392 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
8394 tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
8395 tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
8396 val = RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ;
8397 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
8398 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
8399 val |= RCVDBDI_MODE_LRG_RING_SZ;
8400 tw32(RCVDBDI_MODE, val);
8401 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
8402 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
8403 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
8404 val = SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE;
8405 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
8406 val |= SNDBDI_MODE_MULTI_TXQ_EN;
8407 tw32(SNDBDI_MODE, val);
8408 tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
8410 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
8411 err = tg3_load_5701_a0_firmware_fix(tp);
8416 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
8417 err = tg3_load_tso_firmware(tp);
8422 tp->tx_mode = TX_MODE_ENABLE;
8423 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
8424 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
8425 tp->tx_mode |= TX_MODE_MBUF_LOCKUP_FIX;
8426 tw32_f(MAC_TX_MODE, tp->tx_mode);
8429 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) {
8430 u32 reg = MAC_RSS_INDIR_TBL_0;
8431 u8 *ent = (u8 *)&val;
8433 /* Setup the indirection table */
8434 for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++) {
8435 int idx = i % sizeof(val);
8437 ent[idx] = i % (tp->irq_cnt - 1);
8438 if (idx == sizeof(val) - 1) {
8444 /* Setup the "secret" hash key. */
8445 tw32(MAC_RSS_HASH_KEY_0, 0x5f865437);
8446 tw32(MAC_RSS_HASH_KEY_1, 0xe4ac62cc);
8447 tw32(MAC_RSS_HASH_KEY_2, 0x50103a45);
8448 tw32(MAC_RSS_HASH_KEY_3, 0x36621985);
8449 tw32(MAC_RSS_HASH_KEY_4, 0xbf14c0e8);
8450 tw32(MAC_RSS_HASH_KEY_5, 0x1bc27a1e);
8451 tw32(MAC_RSS_HASH_KEY_6, 0x84f4b556);
8452 tw32(MAC_RSS_HASH_KEY_7, 0x094ea6fe);
8453 tw32(MAC_RSS_HASH_KEY_8, 0x7dda01e7);
8454 tw32(MAC_RSS_HASH_KEY_9, 0xc04d7481);
8457 tp->rx_mode = RX_MODE_ENABLE;
8458 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
8459 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
8461 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)
8462 tp->rx_mode |= RX_MODE_RSS_ENABLE |
8463 RX_MODE_RSS_ITBL_HASH_BITS_7 |
8464 RX_MODE_RSS_IPV6_HASH_EN |
8465 RX_MODE_RSS_TCP_IPV6_HASH_EN |
8466 RX_MODE_RSS_IPV4_HASH_EN |
8467 RX_MODE_RSS_TCP_IPV4_HASH_EN;
8469 tw32_f(MAC_RX_MODE, tp->rx_mode);
8472 tw32(MAC_LED_CTRL, tp->led_ctrl);
8474 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
8475 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
8476 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8479 tw32_f(MAC_RX_MODE, tp->rx_mode);
8482 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
8483 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
8484 !(tp->phy_flags & TG3_PHYFLG_SERDES_PREEMPHASIS)) {
8485 /* Set drive transmission level to 1.2V */
8486 /* only if the signal pre-emphasis bit is not set */
8487 val = tr32(MAC_SERDES_CFG);
8490 tw32(MAC_SERDES_CFG, val);
8492 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
8493 tw32(MAC_SERDES_CFG, 0x616000);
8496 /* Prevent chip from dropping frames when flow control
8499 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
8503 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, val);
8505 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
8506 (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)) {
8507 /* Use hardware link auto-negotiation */
8508 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
8511 if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) &&
8512 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
8515 tmp = tr32(SERDES_RX_CTRL);
8516 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
8517 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
8518 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
8519 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
8522 if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
8523 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) {
8524 tp->phy_flags &= ~TG3_PHYFLG_IS_LOW_POWER;
8525 tp->link_config.speed = tp->link_config.orig_speed;
8526 tp->link_config.duplex = tp->link_config.orig_duplex;
8527 tp->link_config.autoneg = tp->link_config.orig_autoneg;
8530 err = tg3_setup_phy(tp, 0);
8534 if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
8535 !(tp->phy_flags & TG3_PHYFLG_IS_FET)) {
8538 /* Clear CRC stats. */
8539 if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
8540 tg3_writephy(tp, MII_TG3_TEST1,
8541 tmp | MII_TG3_TEST1_CRC_EN);
8542 tg3_readphy(tp, MII_TG3_RXR_COUNTERS, &tmp);
8547 __tg3_set_rx_mode(tp->dev);
8549 /* Initialize receive rules. */
8550 tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
8551 tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
8552 tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
8553 tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
8555 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
8556 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
8560 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
8564 tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
8566 tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
8568 tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
8570 tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
8572 tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
8574 tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
8576 tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
8578 tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
8580 tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
8582 tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
8584 tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
8586 tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
8588 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
8590 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
8598 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
8599 /* Write our heartbeat update interval to APE. */
8600 tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS,
8601 APE_HOST_HEARTBEAT_INT_DISABLE);
8603 tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
8608 /* Called at device open time to get the chip ready for
8609 * packet processing. Invoked with tp->lock held.
8611 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
8613 tg3_switch_clocks(tp);
8615 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
8617 return tg3_reset_hw(tp, reset_phy);
8620 #define TG3_STAT_ADD32(PSTAT, REG) \
8621 do { u32 __val = tr32(REG); \
8622 (PSTAT)->low += __val; \
8623 if ((PSTAT)->low < __val) \
8624 (PSTAT)->high += 1; \
8627 static void tg3_periodic_fetch_stats(struct tg3 *tp)
8629 struct tg3_hw_stats *sp = tp->hw_stats;
8631 if (!netif_carrier_ok(tp->dev))
8634 TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
8635 TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
8636 TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
8637 TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
8638 TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
8639 TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
8640 TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
8641 TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
8642 TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
8643 TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
8644 TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
8645 TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
8646 TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
8648 TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
8649 TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
8650 TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
8651 TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
8652 TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
8653 TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
8654 TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
8655 TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
8656 TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
8657 TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
8658 TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
8659 TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
8660 TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
8661 TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
8663 TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
8664 TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
8665 TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
8668 static void tg3_timer(unsigned long __opaque)
8670 struct tg3 *tp = (struct tg3 *) __opaque;
8675 spin_lock(&tp->lock);
8677 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
8678 /* All of this garbage is because when using non-tagged
8679 * IRQ status the mailbox/status_block protocol the chip
8680 * uses with the cpu is race prone.
8682 if (tp->napi[0].hw_status->status & SD_STATUS_UPDATED) {
8683 tw32(GRC_LOCAL_CTRL,
8684 tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
8686 tw32(HOSTCC_MODE, tp->coalesce_mode |
8687 HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW);
8690 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
8691 tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
8692 spin_unlock(&tp->lock);
8693 schedule_work(&tp->reset_task);
8698 /* This part only runs once per second. */
8699 if (!--tp->timer_counter) {
8700 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
8701 tg3_periodic_fetch_stats(tp);
8703 if (tp->setlpicnt && !--tp->setlpicnt) {
8704 u32 val = tr32(TG3_CPMU_EEE_MODE);
8705 tw32(TG3_CPMU_EEE_MODE,
8706 val | TG3_CPMU_EEEMD_LPI_ENABLE);
8709 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
8713 mac_stat = tr32(MAC_STATUS);
8716 if (tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT) {
8717 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
8719 } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
8723 tg3_setup_phy(tp, 0);
8724 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
8725 u32 mac_stat = tr32(MAC_STATUS);
8728 if (netif_carrier_ok(tp->dev) &&
8729 (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
8732 if (!netif_carrier_ok(tp->dev) &&
8733 (mac_stat & (MAC_STATUS_PCS_SYNCED |
8734 MAC_STATUS_SIGNAL_DET))) {
8738 if (!tp->serdes_counter) {
8741 ~MAC_MODE_PORT_MODE_MASK));
8743 tw32_f(MAC_MODE, tp->mac_mode);
8746 tg3_setup_phy(tp, 0);
8748 } else if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) &&
8749 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
8750 tg3_serdes_parallel_detect(tp);
8753 tp->timer_counter = tp->timer_multiplier;
8756 /* Heartbeat is only sent once every 2 seconds.
8758 * The heartbeat is to tell the ASF firmware that the host
8759 * driver is still alive. In the event that the OS crashes,
8760 * ASF needs to reset the hardware to free up the FIFO space
8761 * that may be filled with rx packets destined for the host.
8762 * If the FIFO is full, ASF will no longer function properly.
8764 * Unintended resets have been reported on real time kernels
8765 * where the timer doesn't run on time. Netpoll will also have
8768 * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
8769 * to check the ring condition when the heartbeat is expiring
8770 * before doing the reset. This will prevent most unintended
8773 if (!--tp->asf_counter) {
8774 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) &&
8775 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
8776 tg3_wait_for_event_ack(tp);
8778 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
8779 FWCMD_NICDRV_ALIVE3);
8780 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
8781 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX,
8782 TG3_FW_UPDATE_TIMEOUT_SEC);
8784 tg3_generate_fw_event(tp);
8786 tp->asf_counter = tp->asf_multiplier;
8789 spin_unlock(&tp->lock);
8792 tp->timer.expires = jiffies + tp->timer_offset;
8793 add_timer(&tp->timer);
8796 static int tg3_request_irq(struct tg3 *tp, int irq_num)
8799 unsigned long flags;
8801 struct tg3_napi *tnapi = &tp->napi[irq_num];
8803 if (tp->irq_cnt == 1)
8804 name = tp->dev->name;
8806 name = &tnapi->irq_lbl[0];
8807 snprintf(name, IFNAMSIZ, "%s-%d", tp->dev->name, irq_num);
8808 name[IFNAMSIZ-1] = 0;
8811 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
8813 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
8815 flags = IRQF_SAMPLE_RANDOM;
8818 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
8819 fn = tg3_interrupt_tagged;
8820 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
8823 return request_irq(tnapi->irq_vec, fn, flags, name, tnapi);
8826 static int tg3_test_interrupt(struct tg3 *tp)
8828 struct tg3_napi *tnapi = &tp->napi[0];
8829 struct net_device *dev = tp->dev;
8830 int err, i, intr_ok = 0;
8833 if (!netif_running(dev))
8836 tg3_disable_ints(tp);
8838 free_irq(tnapi->irq_vec, tnapi);
8841 * Turn off MSI one shot mode. Otherwise this test has no
8842 * observable way to know whether the interrupt was delivered.
8844 if ((tp->tg3_flags3 & TG3_FLG3_5717_PLUS) &&
8845 (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8846 val = tr32(MSGINT_MODE) | MSGINT_MODE_ONE_SHOT_DISABLE;
8847 tw32(MSGINT_MODE, val);
8850 err = request_irq(tnapi->irq_vec, tg3_test_isr,
8851 IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, tnapi);
8855 tnapi->hw_status->status &= ~SD_STATUS_UPDATED;
8856 tg3_enable_ints(tp);
8858 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8861 for (i = 0; i < 5; i++) {
8862 u32 int_mbox, misc_host_ctrl;
8864 int_mbox = tr32_mailbox(tnapi->int_mbox);
8865 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
8867 if ((int_mbox != 0) ||
8868 (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
8876 tg3_disable_ints(tp);
8878 free_irq(tnapi->irq_vec, tnapi);
8880 err = tg3_request_irq(tp, 0);
8886 /* Reenable MSI one shot mode. */
8887 if ((tp->tg3_flags3 & TG3_FLG3_5717_PLUS) &&
8888 (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
8889 val = tr32(MSGINT_MODE) & ~MSGINT_MODE_ONE_SHOT_DISABLE;
8890 tw32(MSGINT_MODE, val);
8898 /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
8899 * successfully restored
8901 static int tg3_test_msi(struct tg3 *tp)
8906 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
8909 /* Turn off SERR reporting in case MSI terminates with Master
8912 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
8913 pci_write_config_word(tp->pdev, PCI_COMMAND,
8914 pci_cmd & ~PCI_COMMAND_SERR);
8916 err = tg3_test_interrupt(tp);
8918 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
8923 /* other failures */
8927 /* MSI test failed, go back to INTx mode */
8928 netdev_warn(tp->dev, "No interrupt was generated using MSI. Switching "
8929 "to INTx mode. Please report this failure to the PCI "
8930 "maintainer and include system chipset information\n");
8932 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
8934 pci_disable_msi(tp->pdev);
8936 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
8937 tp->napi[0].irq_vec = tp->pdev->irq;
8939 err = tg3_request_irq(tp, 0);
8943 /* Need to reset the chip because the MSI cycle may have terminated
8944 * with Master Abort.
8946 tg3_full_lock(tp, 1);
8948 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
8949 err = tg3_init_hw(tp, 1);
8951 tg3_full_unlock(tp);
8954 free_irq(tp->napi[0].irq_vec, &tp->napi[0]);
8959 static int tg3_request_firmware(struct tg3 *tp)
8961 const __be32 *fw_data;
8963 if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
8964 netdev_err(tp->dev, "Failed to load firmware \"%s\"\n",
8969 fw_data = (void *)tp->fw->data;
8971 /* Firmware blob starts with version numbers, followed by
8972 * start address and _full_ length including BSS sections
8973 * (which must be longer than the actual data, of course
8976 tp->fw_len = be32_to_cpu(fw_data[2]); /* includes bss */
8977 if (tp->fw_len < (tp->fw->size - 12)) {
8978 netdev_err(tp->dev, "bogus length %d in \"%s\"\n",
8979 tp->fw_len, tp->fw_needed);
8980 release_firmware(tp->fw);
8985 /* We no longer need firmware; we have it. */
8986 tp->fw_needed = NULL;
8990 static bool tg3_enable_msix(struct tg3 *tp)
8992 int i, rc, cpus = num_online_cpus();
8993 struct msix_entry msix_ent[tp->irq_max];
8996 /* Just fallback to the simpler MSI mode. */
9000 * We want as many rx rings enabled as there are cpus.
9001 * The first MSIX vector only deals with link interrupts, etc,
9002 * so we add one to the number of vectors we are requesting.
9004 tp->irq_cnt = min_t(unsigned, cpus + 1, tp->irq_max);
9006 for (i = 0; i < tp->irq_max; i++) {
9007 msix_ent[i].entry = i;
9008 msix_ent[i].vector = 0;
9011 rc = pci_enable_msix(tp->pdev, msix_ent, tp->irq_cnt);
9014 } else if (rc != 0) {
9015 if (pci_enable_msix(tp->pdev, msix_ent, rc))
9017 netdev_notice(tp->dev, "Requested %d MSI-X vectors, received %d\n",
9022 for (i = 0; i < tp->irq_max; i++)
9023 tp->napi[i].irq_vec = msix_ent[i].vector;
9025 netif_set_real_num_tx_queues(tp->dev, 1);
9026 rc = tp->irq_cnt > 1 ? tp->irq_cnt - 1 : 1;
9027 if (netif_set_real_num_rx_queues(tp->dev, rc)) {
9028 pci_disable_msix(tp->pdev);
9031 if (tp->irq_cnt > 1)
9032 tp->tg3_flags3 |= TG3_FLG3_ENABLE_RSS;
9037 static void tg3_ints_init(struct tg3 *tp)
9039 if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI_OR_MSIX) &&
9040 !(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
9041 /* All MSI supporting chips should support tagged
9042 * status. Assert that this is the case.
9044 netdev_warn(tp->dev,
9045 "MSI without TAGGED_STATUS? Not using MSI\n");
9049 if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX) && tg3_enable_msix(tp))
9050 tp->tg3_flags2 |= TG3_FLG2_USING_MSIX;
9051 else if ((tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) &&
9052 pci_enable_msi(tp->pdev) == 0)
9053 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
9055 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI_OR_MSIX) {
9056 u32 msi_mode = tr32(MSGINT_MODE);
9057 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
9058 msi_mode |= MSGINT_MODE_MULTIVEC_EN;
9059 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
9062 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSIX)) {
9064 tp->napi[0].irq_vec = tp->pdev->irq;
9065 netif_set_real_num_tx_queues(tp->dev, 1);
9066 netif_set_real_num_rx_queues(tp->dev, 1);
9070 static void tg3_ints_fini(struct tg3 *tp)
9072 if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
9073 pci_disable_msix(tp->pdev);
9074 else if (tp->tg3_flags2 & TG3_FLG2_USING_MSI)
9075 pci_disable_msi(tp->pdev);
9076 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI_OR_MSIX;
9077 tp->tg3_flags3 &= ~(TG3_FLG3_ENABLE_RSS | TG3_FLG3_ENABLE_TSS);
9080 static int tg3_open(struct net_device *dev)
9082 struct tg3 *tp = netdev_priv(dev);
9085 if (tp->fw_needed) {
9086 err = tg3_request_firmware(tp);
9087 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
9091 netdev_warn(tp->dev, "TSO capability disabled\n");
9092 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
9093 } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
9094 netdev_notice(tp->dev, "TSO capability restored\n");
9095 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
9099 netif_carrier_off(tp->dev);
9101 err = tg3_set_power_state(tp, PCI_D0);
9105 tg3_full_lock(tp, 0);
9107 tg3_disable_ints(tp);
9108 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
9110 tg3_full_unlock(tp);
9113 * Setup interrupts first so we know how
9114 * many NAPI resources to allocate
9118 /* The placement of this call is tied
9119 * to the setup and use of Host TX descriptors.
9121 err = tg3_alloc_consistent(tp);
9127 tg3_napi_enable(tp);
9129 for (i = 0; i < tp->irq_cnt; i++) {
9130 struct tg3_napi *tnapi = &tp->napi[i];
9131 err = tg3_request_irq(tp, i);
9133 for (i--; i >= 0; i--)
9134 free_irq(tnapi->irq_vec, tnapi);
9142 tg3_full_lock(tp, 0);
9144 err = tg3_init_hw(tp, 1);
9146 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9149 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
9150 tp->timer_offset = HZ;
9152 tp->timer_offset = HZ / 10;
9154 BUG_ON(tp->timer_offset > HZ);
9155 tp->timer_counter = tp->timer_multiplier =
9156 (HZ / tp->timer_offset);
9157 tp->asf_counter = tp->asf_multiplier =
9158 ((HZ / tp->timer_offset) * 2);
9160 init_timer(&tp->timer);
9161 tp->timer.expires = jiffies + tp->timer_offset;
9162 tp->timer.data = (unsigned long) tp;
9163 tp->timer.function = tg3_timer;
9166 tg3_full_unlock(tp);
9171 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
9172 err = tg3_test_msi(tp);
9175 tg3_full_lock(tp, 0);
9176 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9178 tg3_full_unlock(tp);
9183 if (!(tp->tg3_flags3 & TG3_FLG3_5717_PLUS) &&
9184 (tp->tg3_flags2 & TG3_FLG2_USING_MSI)) {
9185 u32 val = tr32(PCIE_TRANSACTION_CFG);
9187 tw32(PCIE_TRANSACTION_CFG,
9188 val | PCIE_TRANS_CFG_1SHOT_MSI);
9194 tg3_full_lock(tp, 0);
9196 add_timer(&tp->timer);
9197 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
9198 tg3_enable_ints(tp);
9200 tg3_full_unlock(tp);
9202 netif_tx_start_all_queues(dev);
9207 for (i = tp->irq_cnt - 1; i >= 0; i--) {
9208 struct tg3_napi *tnapi = &tp->napi[i];
9209 free_irq(tnapi->irq_vec, tnapi);
9213 tg3_napi_disable(tp);
9215 tg3_free_consistent(tp);
9222 static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *,
9223 struct rtnl_link_stats64 *);
9224 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
9226 static int tg3_close(struct net_device *dev)
9229 struct tg3 *tp = netdev_priv(dev);
9231 tg3_napi_disable(tp);
9232 cancel_work_sync(&tp->reset_task);
9234 netif_tx_stop_all_queues(dev);
9236 del_timer_sync(&tp->timer);
9240 tg3_full_lock(tp, 1);
9242 tg3_disable_ints(tp);
9244 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9246 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
9248 tg3_full_unlock(tp);
9250 for (i = tp->irq_cnt - 1; i >= 0; i--) {
9251 struct tg3_napi *tnapi = &tp->napi[i];
9252 free_irq(tnapi->irq_vec, tnapi);
9257 tg3_get_stats64(tp->dev, &tp->net_stats_prev);
9259 memcpy(&tp->estats_prev, tg3_get_estats(tp),
9260 sizeof(tp->estats_prev));
9264 tg3_free_consistent(tp);
9266 tg3_set_power_state(tp, PCI_D3hot);
9268 netif_carrier_off(tp->dev);
9273 static inline u64 get_stat64(tg3_stat64_t *val)
9275 return ((u64)val->high << 32) | ((u64)val->low);
9278 static u64 calc_crc_errors(struct tg3 *tp)
9280 struct tg3_hw_stats *hw_stats = tp->hw_stats;
9282 if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
9283 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
9284 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
9287 spin_lock_bh(&tp->lock);
9288 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
9289 tg3_writephy(tp, MII_TG3_TEST1,
9290 val | MII_TG3_TEST1_CRC_EN);
9291 tg3_readphy(tp, MII_TG3_RXR_COUNTERS, &val);
9294 spin_unlock_bh(&tp->lock);
9296 tp->phy_crc_errors += val;
9298 return tp->phy_crc_errors;
9301 return get_stat64(&hw_stats->rx_fcs_errors);
9304 #define ESTAT_ADD(member) \
9305 estats->member = old_estats->member + \
9306 get_stat64(&hw_stats->member)
9308 static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
9310 struct tg3_ethtool_stats *estats = &tp->estats;
9311 struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
9312 struct tg3_hw_stats *hw_stats = tp->hw_stats;
9317 ESTAT_ADD(rx_octets);
9318 ESTAT_ADD(rx_fragments);
9319 ESTAT_ADD(rx_ucast_packets);
9320 ESTAT_ADD(rx_mcast_packets);
9321 ESTAT_ADD(rx_bcast_packets);
9322 ESTAT_ADD(rx_fcs_errors);
9323 ESTAT_ADD(rx_align_errors);
9324 ESTAT_ADD(rx_xon_pause_rcvd);
9325 ESTAT_ADD(rx_xoff_pause_rcvd);
9326 ESTAT_ADD(rx_mac_ctrl_rcvd);
9327 ESTAT_ADD(rx_xoff_entered);
9328 ESTAT_ADD(rx_frame_too_long_errors);
9329 ESTAT_ADD(rx_jabbers);
9330 ESTAT_ADD(rx_undersize_packets);
9331 ESTAT_ADD(rx_in_length_errors);
9332 ESTAT_ADD(rx_out_length_errors);
9333 ESTAT_ADD(rx_64_or_less_octet_packets);
9334 ESTAT_ADD(rx_65_to_127_octet_packets);
9335 ESTAT_ADD(rx_128_to_255_octet_packets);
9336 ESTAT_ADD(rx_256_to_511_octet_packets);
9337 ESTAT_ADD(rx_512_to_1023_octet_packets);
9338 ESTAT_ADD(rx_1024_to_1522_octet_packets);
9339 ESTAT_ADD(rx_1523_to_2047_octet_packets);
9340 ESTAT_ADD(rx_2048_to_4095_octet_packets);
9341 ESTAT_ADD(rx_4096_to_8191_octet_packets);
9342 ESTAT_ADD(rx_8192_to_9022_octet_packets);
9344 ESTAT_ADD(tx_octets);
9345 ESTAT_ADD(tx_collisions);
9346 ESTAT_ADD(tx_xon_sent);
9347 ESTAT_ADD(tx_xoff_sent);
9348 ESTAT_ADD(tx_flow_control);
9349 ESTAT_ADD(tx_mac_errors);
9350 ESTAT_ADD(tx_single_collisions);
9351 ESTAT_ADD(tx_mult_collisions);
9352 ESTAT_ADD(tx_deferred);
9353 ESTAT_ADD(tx_excessive_collisions);
9354 ESTAT_ADD(tx_late_collisions);
9355 ESTAT_ADD(tx_collide_2times);
9356 ESTAT_ADD(tx_collide_3times);
9357 ESTAT_ADD(tx_collide_4times);
9358 ESTAT_ADD(tx_collide_5times);
9359 ESTAT_ADD(tx_collide_6times);
9360 ESTAT_ADD(tx_collide_7times);
9361 ESTAT_ADD(tx_collide_8times);
9362 ESTAT_ADD(tx_collide_9times);
9363 ESTAT_ADD(tx_collide_10times);
9364 ESTAT_ADD(tx_collide_11times);
9365 ESTAT_ADD(tx_collide_12times);
9366 ESTAT_ADD(tx_collide_13times);
9367 ESTAT_ADD(tx_collide_14times);
9368 ESTAT_ADD(tx_collide_15times);
9369 ESTAT_ADD(tx_ucast_packets);
9370 ESTAT_ADD(tx_mcast_packets);
9371 ESTAT_ADD(tx_bcast_packets);
9372 ESTAT_ADD(tx_carrier_sense_errors);
9373 ESTAT_ADD(tx_discards);
9374 ESTAT_ADD(tx_errors);
9376 ESTAT_ADD(dma_writeq_full);
9377 ESTAT_ADD(dma_write_prioq_full);
9378 ESTAT_ADD(rxbds_empty);
9379 ESTAT_ADD(rx_discards);
9380 ESTAT_ADD(rx_errors);
9381 ESTAT_ADD(rx_threshold_hit);
9383 ESTAT_ADD(dma_readq_full);
9384 ESTAT_ADD(dma_read_prioq_full);
9385 ESTAT_ADD(tx_comp_queue_full);
9387 ESTAT_ADD(ring_set_send_prod_index);
9388 ESTAT_ADD(ring_status_update);
9389 ESTAT_ADD(nic_irqs);
9390 ESTAT_ADD(nic_avoided_irqs);
9391 ESTAT_ADD(nic_tx_threshold_hit);
9396 static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *dev,
9397 struct rtnl_link_stats64 *stats)
9399 struct tg3 *tp = netdev_priv(dev);
9400 struct rtnl_link_stats64 *old_stats = &tp->net_stats_prev;
9401 struct tg3_hw_stats *hw_stats = tp->hw_stats;
9406 stats->rx_packets = old_stats->rx_packets +
9407 get_stat64(&hw_stats->rx_ucast_packets) +
9408 get_stat64(&hw_stats->rx_mcast_packets) +
9409 get_stat64(&hw_stats->rx_bcast_packets);
9411 stats->tx_packets = old_stats->tx_packets +
9412 get_stat64(&hw_stats->tx_ucast_packets) +
9413 get_stat64(&hw_stats->tx_mcast_packets) +
9414 get_stat64(&hw_stats->tx_bcast_packets);
9416 stats->rx_bytes = old_stats->rx_bytes +
9417 get_stat64(&hw_stats->rx_octets);
9418 stats->tx_bytes = old_stats->tx_bytes +
9419 get_stat64(&hw_stats->tx_octets);
9421 stats->rx_errors = old_stats->rx_errors +
9422 get_stat64(&hw_stats->rx_errors);
9423 stats->tx_errors = old_stats->tx_errors +
9424 get_stat64(&hw_stats->tx_errors) +
9425 get_stat64(&hw_stats->tx_mac_errors) +
9426 get_stat64(&hw_stats->tx_carrier_sense_errors) +
9427 get_stat64(&hw_stats->tx_discards);
9429 stats->multicast = old_stats->multicast +
9430 get_stat64(&hw_stats->rx_mcast_packets);
9431 stats->collisions = old_stats->collisions +
9432 get_stat64(&hw_stats->tx_collisions);
9434 stats->rx_length_errors = old_stats->rx_length_errors +
9435 get_stat64(&hw_stats->rx_frame_too_long_errors) +
9436 get_stat64(&hw_stats->rx_undersize_packets);
9438 stats->rx_over_errors = old_stats->rx_over_errors +
9439 get_stat64(&hw_stats->rxbds_empty);
9440 stats->rx_frame_errors = old_stats->rx_frame_errors +
9441 get_stat64(&hw_stats->rx_align_errors);
9442 stats->tx_aborted_errors = old_stats->tx_aborted_errors +
9443 get_stat64(&hw_stats->tx_discards);
9444 stats->tx_carrier_errors = old_stats->tx_carrier_errors +
9445 get_stat64(&hw_stats->tx_carrier_sense_errors);
9447 stats->rx_crc_errors = old_stats->rx_crc_errors +
9448 calc_crc_errors(tp);
9450 stats->rx_missed_errors = old_stats->rx_missed_errors +
9451 get_stat64(&hw_stats->rx_discards);
9456 static inline u32 calc_crc(unsigned char *buf, int len)
9464 for (j = 0; j < len; j++) {
9467 for (k = 0; k < 8; k++) {
9480 static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
9482 /* accept or reject all multicast frames */
9483 tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
9484 tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
9485 tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
9486 tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
9489 static void __tg3_set_rx_mode(struct net_device *dev)
9491 struct tg3 *tp = netdev_priv(dev);
9494 rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
9495 RX_MODE_KEEP_VLAN_TAG);
9497 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
9500 #if TG3_VLAN_TAG_USED
9502 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9503 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9505 /* By definition, VLAN is disabled always in this
9508 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
9509 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
9512 if (dev->flags & IFF_PROMISC) {
9513 /* Promiscuous mode. */
9514 rx_mode |= RX_MODE_PROMISC;
9515 } else if (dev->flags & IFF_ALLMULTI) {
9516 /* Accept all multicast. */
9517 tg3_set_multi(tp, 1);
9518 } else if (netdev_mc_empty(dev)) {
9519 /* Reject all multicast. */
9520 tg3_set_multi(tp, 0);
9522 /* Accept one or more multicast(s). */
9523 struct netdev_hw_addr *ha;
9524 u32 mc_filter[4] = { 0, };
9529 netdev_for_each_mc_addr(ha, dev) {
9530 crc = calc_crc(ha->addr, ETH_ALEN);
9532 regidx = (bit & 0x60) >> 5;
9534 mc_filter[regidx] |= (1 << bit);
9537 tw32(MAC_HASH_REG_0, mc_filter[0]);
9538 tw32(MAC_HASH_REG_1, mc_filter[1]);
9539 tw32(MAC_HASH_REG_2, mc_filter[2]);
9540 tw32(MAC_HASH_REG_3, mc_filter[3]);
9543 if (rx_mode != tp->rx_mode) {
9544 tp->rx_mode = rx_mode;
9545 tw32_f(MAC_RX_MODE, rx_mode);
9550 static void tg3_set_rx_mode(struct net_device *dev)
9552 struct tg3 *tp = netdev_priv(dev);
9554 if (!netif_running(dev))
9557 tg3_full_lock(tp, 0);
9558 __tg3_set_rx_mode(dev);
9559 tg3_full_unlock(tp);
9562 #define TG3_REGDUMP_LEN (32 * 1024)
9564 static int tg3_get_regs_len(struct net_device *dev)
9566 return TG3_REGDUMP_LEN;
9569 static void tg3_get_regs(struct net_device *dev,
9570 struct ethtool_regs *regs, void *_p)
9573 struct tg3 *tp = netdev_priv(dev);
9579 memset(p, 0, TG3_REGDUMP_LEN);
9581 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
9584 tg3_full_lock(tp, 0);
9586 #define __GET_REG32(reg) (*(p)++ = tr32(reg))
9587 #define GET_REG32_LOOP(base, len) \
9588 do { p = (u32 *)(orig_p + (base)); \
9589 for (i = 0; i < len; i += 4) \
9590 __GET_REG32((base) + i); \
9592 #define GET_REG32_1(reg) \
9593 do { p = (u32 *)(orig_p + (reg)); \
9594 __GET_REG32((reg)); \
9597 GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
9598 GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
9599 GET_REG32_LOOP(MAC_MODE, 0x4f0);
9600 GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
9601 GET_REG32_1(SNDDATAC_MODE);
9602 GET_REG32_LOOP(SNDBDS_MODE, 0x80);
9603 GET_REG32_LOOP(SNDBDI_MODE, 0x48);
9604 GET_REG32_1(SNDBDC_MODE);
9605 GET_REG32_LOOP(RCVLPC_MODE, 0x20);
9606 GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
9607 GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
9608 GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
9609 GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
9610 GET_REG32_1(RCVDCC_MODE);
9611 GET_REG32_LOOP(RCVBDI_MODE, 0x20);
9612 GET_REG32_LOOP(RCVCC_MODE, 0x14);
9613 GET_REG32_LOOP(RCVLSC_MODE, 0x08);
9614 GET_REG32_1(MBFREE_MODE);
9615 GET_REG32_LOOP(HOSTCC_MODE, 0x100);
9616 GET_REG32_LOOP(MEMARB_MODE, 0x10);
9617 GET_REG32_LOOP(BUFMGR_MODE, 0x58);
9618 GET_REG32_LOOP(RDMAC_MODE, 0x08);
9619 GET_REG32_LOOP(WDMAC_MODE, 0x08);
9620 GET_REG32_1(RX_CPU_MODE);
9621 GET_REG32_1(RX_CPU_STATE);
9622 GET_REG32_1(RX_CPU_PGMCTR);
9623 GET_REG32_1(RX_CPU_HWBKPT);
9624 GET_REG32_1(TX_CPU_MODE);
9625 GET_REG32_1(TX_CPU_STATE);
9626 GET_REG32_1(TX_CPU_PGMCTR);
9627 GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
9628 GET_REG32_LOOP(FTQ_RESET, 0x120);
9629 GET_REG32_LOOP(MSGINT_MODE, 0x0c);
9630 GET_REG32_1(DMAC_MODE);
9631 GET_REG32_LOOP(GRC_MODE, 0x4c);
9632 if (tp->tg3_flags & TG3_FLAG_NVRAM)
9633 GET_REG32_LOOP(NVRAM_CMD, 0x24);
9636 #undef GET_REG32_LOOP
9639 tg3_full_unlock(tp);
9642 static int tg3_get_eeprom_len(struct net_device *dev)
9644 struct tg3 *tp = netdev_priv(dev);
9646 return tp->nvram_size;
9649 static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9651 struct tg3 *tp = netdev_priv(dev);
9654 u32 i, offset, len, b_offset, b_count;
9657 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
9660 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
9663 offset = eeprom->offset;
9667 eeprom->magic = TG3_EEPROM_MAGIC;
9670 /* adjustments to start on required 4 byte boundary */
9671 b_offset = offset & 3;
9672 b_count = 4 - b_offset;
9673 if (b_count > len) {
9674 /* i.e. offset=1 len=2 */
9677 ret = tg3_nvram_read_be32(tp, offset-b_offset, &val);
9680 memcpy(data, ((char *)&val) + b_offset, b_count);
9683 eeprom->len += b_count;
9686 /* read bytes upto the last 4 byte boundary */
9687 pd = &data[eeprom->len];
9688 for (i = 0; i < (len - (len & 3)); i += 4) {
9689 ret = tg3_nvram_read_be32(tp, offset + i, &val);
9694 memcpy(pd + i, &val, 4);
9699 /* read last bytes not ending on 4 byte boundary */
9700 pd = &data[eeprom->len];
9702 b_offset = offset + len - b_count;
9703 ret = tg3_nvram_read_be32(tp, b_offset, &val);
9706 memcpy(pd, &val, b_count);
9707 eeprom->len += b_count;
9712 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
9714 static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
9716 struct tg3 *tp = netdev_priv(dev);
9718 u32 offset, len, b_offset, odd_len;
9722 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
9725 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
9726 eeprom->magic != TG3_EEPROM_MAGIC)
9729 offset = eeprom->offset;
9732 if ((b_offset = (offset & 3))) {
9733 /* adjustments to start on required 4 byte boundary */
9734 ret = tg3_nvram_read_be32(tp, offset-b_offset, &start);
9745 /* adjustments to end on required 4 byte boundary */
9747 len = (len + 3) & ~3;
9748 ret = tg3_nvram_read_be32(tp, offset+len-4, &end);
9754 if (b_offset || odd_len) {
9755 buf = kmalloc(len, GFP_KERNEL);
9759 memcpy(buf, &start, 4);
9761 memcpy(buf+len-4, &end, 4);
9762 memcpy(buf + b_offset, data, eeprom->len);
9765 ret = tg3_nvram_write_block(tp, offset, len, buf);
9773 static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9775 struct tg3 *tp = netdev_priv(dev);
9777 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9778 struct phy_device *phydev;
9779 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
9781 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9782 return phy_ethtool_gset(phydev, cmd);
9785 cmd->supported = (SUPPORTED_Autoneg);
9787 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY))
9788 cmd->supported |= (SUPPORTED_1000baseT_Half |
9789 SUPPORTED_1000baseT_Full);
9791 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) {
9792 cmd->supported |= (SUPPORTED_100baseT_Half |
9793 SUPPORTED_100baseT_Full |
9794 SUPPORTED_10baseT_Half |
9795 SUPPORTED_10baseT_Full |
9797 cmd->port = PORT_TP;
9799 cmd->supported |= SUPPORTED_FIBRE;
9800 cmd->port = PORT_FIBRE;
9803 cmd->advertising = tp->link_config.advertising;
9804 if (netif_running(dev)) {
9805 cmd->speed = tp->link_config.active_speed;
9806 cmd->duplex = tp->link_config.active_duplex;
9808 cmd->phy_address = tp->phy_addr;
9809 cmd->transceiver = XCVR_INTERNAL;
9810 cmd->autoneg = tp->link_config.autoneg;
9816 static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
9818 struct tg3 *tp = netdev_priv(dev);
9820 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
9821 struct phy_device *phydev;
9822 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
9824 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
9825 return phy_ethtool_sset(phydev, cmd);
9828 if (cmd->autoneg != AUTONEG_ENABLE &&
9829 cmd->autoneg != AUTONEG_DISABLE)
9832 if (cmd->autoneg == AUTONEG_DISABLE &&
9833 cmd->duplex != DUPLEX_FULL &&
9834 cmd->duplex != DUPLEX_HALF)
9837 if (cmd->autoneg == AUTONEG_ENABLE) {
9838 u32 mask = ADVERTISED_Autoneg |
9840 ADVERTISED_Asym_Pause;
9842 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY))
9843 mask |= ADVERTISED_1000baseT_Half |
9844 ADVERTISED_1000baseT_Full;
9846 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
9847 mask |= ADVERTISED_100baseT_Half |
9848 ADVERTISED_100baseT_Full |
9849 ADVERTISED_10baseT_Half |
9850 ADVERTISED_10baseT_Full |
9853 mask |= ADVERTISED_FIBRE;
9855 if (cmd->advertising & ~mask)
9858 mask &= (ADVERTISED_1000baseT_Half |
9859 ADVERTISED_1000baseT_Full |
9860 ADVERTISED_100baseT_Half |
9861 ADVERTISED_100baseT_Full |
9862 ADVERTISED_10baseT_Half |
9863 ADVERTISED_10baseT_Full);
9865 cmd->advertising &= mask;
9867 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES) {
9868 if (cmd->speed != SPEED_1000)
9871 if (cmd->duplex != DUPLEX_FULL)
9874 if (cmd->speed != SPEED_100 &&
9875 cmd->speed != SPEED_10)
9880 tg3_full_lock(tp, 0);
9882 tp->link_config.autoneg = cmd->autoneg;
9883 if (cmd->autoneg == AUTONEG_ENABLE) {
9884 tp->link_config.advertising = (cmd->advertising |
9885 ADVERTISED_Autoneg);
9886 tp->link_config.speed = SPEED_INVALID;
9887 tp->link_config.duplex = DUPLEX_INVALID;
9889 tp->link_config.advertising = 0;
9890 tp->link_config.speed = cmd->speed;
9891 tp->link_config.duplex = cmd->duplex;
9894 tp->link_config.orig_speed = tp->link_config.speed;
9895 tp->link_config.orig_duplex = tp->link_config.duplex;
9896 tp->link_config.orig_autoneg = tp->link_config.autoneg;
9898 if (netif_running(dev))
9899 tg3_setup_phy(tp, 1);
9901 tg3_full_unlock(tp);
9906 static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
9908 struct tg3 *tp = netdev_priv(dev);
9910 strcpy(info->driver, DRV_MODULE_NAME);
9911 strcpy(info->version, DRV_MODULE_VERSION);
9912 strcpy(info->fw_version, tp->fw_ver);
9913 strcpy(info->bus_info, pci_name(tp->pdev));
9916 static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9918 struct tg3 *tp = netdev_priv(dev);
9920 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
9921 device_can_wakeup(&tp->pdev->dev))
9922 wol->supported = WAKE_MAGIC;
9926 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
9927 device_can_wakeup(&tp->pdev->dev))
9928 wol->wolopts = WAKE_MAGIC;
9929 memset(&wol->sopass, 0, sizeof(wol->sopass));
9932 static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
9934 struct tg3 *tp = netdev_priv(dev);
9935 struct device *dp = &tp->pdev->dev;
9937 if (wol->wolopts & ~WAKE_MAGIC)
9939 if ((wol->wolopts & WAKE_MAGIC) &&
9940 !((tp->tg3_flags & TG3_FLAG_WOL_CAP) && device_can_wakeup(dp)))
9943 spin_lock_bh(&tp->lock);
9944 if (wol->wolopts & WAKE_MAGIC) {
9945 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
9946 device_set_wakeup_enable(dp, true);
9948 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
9949 device_set_wakeup_enable(dp, false);
9951 spin_unlock_bh(&tp->lock);
9956 static u32 tg3_get_msglevel(struct net_device *dev)
9958 struct tg3 *tp = netdev_priv(dev);
9959 return tp->msg_enable;
9962 static void tg3_set_msglevel(struct net_device *dev, u32 value)
9964 struct tg3 *tp = netdev_priv(dev);
9965 tp->msg_enable = value;
9968 static int tg3_set_tso(struct net_device *dev, u32 value)
9970 struct tg3 *tp = netdev_priv(dev);
9972 if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
9977 if ((dev->features & NETIF_F_IPV6_CSUM) &&
9978 ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
9979 (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3))) {
9981 dev->features |= NETIF_F_TSO6;
9982 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
9983 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
9984 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
9985 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
9986 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
9987 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
9988 dev->features |= NETIF_F_TSO_ECN;
9990 dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
9992 return ethtool_op_set_tso(dev, value);
9995 static int tg3_nway_reset(struct net_device *dev)
9997 struct tg3 *tp = netdev_priv(dev);
10000 if (!netif_running(dev))
10003 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
10006 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
10007 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
10009 r = phy_start_aneg(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
10013 spin_lock_bh(&tp->lock);
10015 tg3_readphy(tp, MII_BMCR, &bmcr);
10016 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
10017 ((bmcr & BMCR_ANENABLE) ||
10018 (tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT))) {
10019 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
10023 spin_unlock_bh(&tp->lock);
10029 static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
10031 struct tg3 *tp = netdev_priv(dev);
10033 ering->rx_max_pending = tp->rx_std_ring_mask;
10034 ering->rx_mini_max_pending = 0;
10035 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
10036 ering->rx_jumbo_max_pending = tp->rx_jmb_ring_mask;
10038 ering->rx_jumbo_max_pending = 0;
10040 ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
10042 ering->rx_pending = tp->rx_pending;
10043 ering->rx_mini_pending = 0;
10044 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
10045 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
10047 ering->rx_jumbo_pending = 0;
10049 ering->tx_pending = tp->napi[0].tx_pending;
10052 static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
10054 struct tg3 *tp = netdev_priv(dev);
10055 int i, irq_sync = 0, err = 0;
10057 if ((ering->rx_pending > tp->rx_std_ring_mask) ||
10058 (ering->rx_jumbo_pending > tp->rx_jmb_ring_mask) ||
10059 (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
10060 (ering->tx_pending <= MAX_SKB_FRAGS) ||
10061 ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
10062 (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
10065 if (netif_running(dev)) {
10067 tg3_netif_stop(tp);
10071 tg3_full_lock(tp, irq_sync);
10073 tp->rx_pending = ering->rx_pending;
10075 if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
10076 tp->rx_pending > 63)
10077 tp->rx_pending = 63;
10078 tp->rx_jumbo_pending = ering->rx_jumbo_pending;
10080 for (i = 0; i < tp->irq_max; i++)
10081 tp->napi[i].tx_pending = ering->tx_pending;
10083 if (netif_running(dev)) {
10084 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10085 err = tg3_restart_hw(tp, 1);
10087 tg3_netif_start(tp);
10090 tg3_full_unlock(tp);
10092 if (irq_sync && !err)
10098 static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
10100 struct tg3 *tp = netdev_priv(dev);
10102 epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
10104 if (tp->link_config.active_flowctrl & FLOW_CTRL_RX)
10105 epause->rx_pause = 1;
10107 epause->rx_pause = 0;
10109 if (tp->link_config.active_flowctrl & FLOW_CTRL_TX)
10110 epause->tx_pause = 1;
10112 epause->tx_pause = 0;
10115 static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
10117 struct tg3 *tp = netdev_priv(dev);
10120 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
10122 struct phy_device *phydev;
10124 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
10126 if (!(phydev->supported & SUPPORTED_Pause) ||
10127 (!(phydev->supported & SUPPORTED_Asym_Pause) &&
10128 (epause->rx_pause != epause->tx_pause)))
10131 tp->link_config.flowctrl = 0;
10132 if (epause->rx_pause) {
10133 tp->link_config.flowctrl |= FLOW_CTRL_RX;
10135 if (epause->tx_pause) {
10136 tp->link_config.flowctrl |= FLOW_CTRL_TX;
10137 newadv = ADVERTISED_Pause;
10139 newadv = ADVERTISED_Pause |
10140 ADVERTISED_Asym_Pause;
10141 } else if (epause->tx_pause) {
10142 tp->link_config.flowctrl |= FLOW_CTRL_TX;
10143 newadv = ADVERTISED_Asym_Pause;
10147 if (epause->autoneg)
10148 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
10150 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
10152 if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) {
10153 u32 oldadv = phydev->advertising &
10154 (ADVERTISED_Pause | ADVERTISED_Asym_Pause);
10155 if (oldadv != newadv) {
10156 phydev->advertising &=
10157 ~(ADVERTISED_Pause |
10158 ADVERTISED_Asym_Pause);
10159 phydev->advertising |= newadv;
10160 if (phydev->autoneg) {
10162 * Always renegotiate the link to
10163 * inform our link partner of our
10164 * flow control settings, even if the
10165 * flow control is forced. Let
10166 * tg3_adjust_link() do the final
10167 * flow control setup.
10169 return phy_start_aneg(phydev);
10173 if (!epause->autoneg)
10174 tg3_setup_flow_control(tp, 0, 0);
10176 tp->link_config.orig_advertising &=
10177 ~(ADVERTISED_Pause |
10178 ADVERTISED_Asym_Pause);
10179 tp->link_config.orig_advertising |= newadv;
10184 if (netif_running(dev)) {
10185 tg3_netif_stop(tp);
10189 tg3_full_lock(tp, irq_sync);
10191 if (epause->autoneg)
10192 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
10194 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
10195 if (epause->rx_pause)
10196 tp->link_config.flowctrl |= FLOW_CTRL_RX;
10198 tp->link_config.flowctrl &= ~FLOW_CTRL_RX;
10199 if (epause->tx_pause)
10200 tp->link_config.flowctrl |= FLOW_CTRL_TX;
10202 tp->link_config.flowctrl &= ~FLOW_CTRL_TX;
10204 if (netif_running(dev)) {
10205 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
10206 err = tg3_restart_hw(tp, 1);
10208 tg3_netif_start(tp);
10211 tg3_full_unlock(tp);
10217 static u32 tg3_get_rx_csum(struct net_device *dev)
10219 struct tg3 *tp = netdev_priv(dev);
10220 return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
10223 static int tg3_set_rx_csum(struct net_device *dev, u32 data)
10225 struct tg3 *tp = netdev_priv(dev);
10227 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
10233 spin_lock_bh(&tp->lock);
10235 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
10237 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
10238 spin_unlock_bh(&tp->lock);
10243 static int tg3_set_tx_csum(struct net_device *dev, u32 data)
10245 struct tg3 *tp = netdev_priv(dev);
10247 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
10253 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
10254 ethtool_op_set_tx_ipv6_csum(dev, data);
10256 ethtool_op_set_tx_csum(dev, data);
10261 static int tg3_get_sset_count(struct net_device *dev, int sset)
10265 return TG3_NUM_TEST;
10267 return TG3_NUM_STATS;
10269 return -EOPNOTSUPP;
10273 static void tg3_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
10275 switch (stringset) {
10277 memcpy(buf, ðtool_stats_keys, sizeof(ethtool_stats_keys));
10280 memcpy(buf, ðtool_test_keys, sizeof(ethtool_test_keys));
10283 WARN_ON(1); /* we need a WARN() */
10288 static int tg3_phys_id(struct net_device *dev, u32 data)
10290 struct tg3 *tp = netdev_priv(dev);
10293 if (!netif_running(tp->dev))
10297 data = UINT_MAX / 2;
10299 for (i = 0; i < (data * 2); i++) {
10301 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
10302 LED_CTRL_1000MBPS_ON |
10303 LED_CTRL_100MBPS_ON |
10304 LED_CTRL_10MBPS_ON |
10305 LED_CTRL_TRAFFIC_OVERRIDE |
10306 LED_CTRL_TRAFFIC_BLINK |
10307 LED_CTRL_TRAFFIC_LED);
10310 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
10311 LED_CTRL_TRAFFIC_OVERRIDE);
10313 if (msleep_interruptible(500))
10316 tw32(MAC_LED_CTRL, tp->led_ctrl);
10320 static void tg3_get_ethtool_stats(struct net_device *dev,
10321 struct ethtool_stats *estats, u64 *tmp_stats)
10323 struct tg3 *tp = netdev_priv(dev);
10324 memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
10327 #define NVRAM_TEST_SIZE 0x100
10328 #define NVRAM_SELFBOOT_FORMAT1_0_SIZE 0x14
10329 #define NVRAM_SELFBOOT_FORMAT1_2_SIZE 0x18
10330 #define NVRAM_SELFBOOT_FORMAT1_3_SIZE 0x1c
10331 #define NVRAM_SELFBOOT_HW_SIZE 0x20
10332 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
10334 static int tg3_test_nvram(struct tg3 *tp)
10338 int i, j, k, err = 0, size;
10340 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM)
10343 if (tg3_nvram_read(tp, 0, &magic) != 0)
10346 if (magic == TG3_EEPROM_MAGIC)
10347 size = NVRAM_TEST_SIZE;
10348 else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
10349 if ((magic & TG3_EEPROM_SB_FORMAT_MASK) ==
10350 TG3_EEPROM_SB_FORMAT_1) {
10351 switch (magic & TG3_EEPROM_SB_REVISION_MASK) {
10352 case TG3_EEPROM_SB_REVISION_0:
10353 size = NVRAM_SELFBOOT_FORMAT1_0_SIZE;
10355 case TG3_EEPROM_SB_REVISION_2:
10356 size = NVRAM_SELFBOOT_FORMAT1_2_SIZE;
10358 case TG3_EEPROM_SB_REVISION_3:
10359 size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
10366 } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
10367 size = NVRAM_SELFBOOT_HW_SIZE;
10371 buf = kmalloc(size, GFP_KERNEL);
10376 for (i = 0, j = 0; i < size; i += 4, j++) {
10377 err = tg3_nvram_read_be32(tp, i, &buf[j]);
10384 /* Selfboot format */
10385 magic = be32_to_cpu(buf[0]);
10386 if ((magic & TG3_EEPROM_MAGIC_FW_MSK) ==
10387 TG3_EEPROM_MAGIC_FW) {
10388 u8 *buf8 = (u8 *) buf, csum8 = 0;
10390 if ((magic & TG3_EEPROM_SB_REVISION_MASK) ==
10391 TG3_EEPROM_SB_REVISION_2) {
10392 /* For rev 2, the csum doesn't include the MBA. */
10393 for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++)
10395 for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++)
10398 for (i = 0; i < size; i++)
10411 if ((magic & TG3_EEPROM_MAGIC_HW_MSK) ==
10412 TG3_EEPROM_MAGIC_HW) {
10413 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
10414 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
10415 u8 *buf8 = (u8 *) buf;
10417 /* Separate the parity bits and the data bytes. */
10418 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
10419 if ((i == 0) || (i == 8)) {
10423 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
10424 parity[k++] = buf8[i] & msk;
10426 } else if (i == 16) {
10430 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
10431 parity[k++] = buf8[i] & msk;
10434 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
10435 parity[k++] = buf8[i] & msk;
10438 data[j++] = buf8[i];
10442 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
10443 u8 hw8 = hweight8(data[i]);
10445 if ((hw8 & 0x1) && parity[i])
10447 else if (!(hw8 & 0x1) && !parity[i])
10454 /* Bootstrap checksum at offset 0x10 */
10455 csum = calc_crc((unsigned char *) buf, 0x10);
10456 if (csum != be32_to_cpu(buf[0x10/4]))
10459 /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
10460 csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
10461 if (csum != be32_to_cpu(buf[0xfc/4]))
10471 #define TG3_SERDES_TIMEOUT_SEC 2
10472 #define TG3_COPPER_TIMEOUT_SEC 6
10474 static int tg3_test_link(struct tg3 *tp)
10478 if (!netif_running(tp->dev))
10481 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
10482 max = TG3_SERDES_TIMEOUT_SEC;
10484 max = TG3_COPPER_TIMEOUT_SEC;
10486 for (i = 0; i < max; i++) {
10487 if (netif_carrier_ok(tp->dev))
10490 if (msleep_interruptible(1000))
10497 /* Only test the commonly used registers */
10498 static int tg3_test_registers(struct tg3 *tp)
10500 int i, is_5705, is_5750;
10501 u32 offset, read_mask, write_mask, val, save_val, read_val;
10505 #define TG3_FL_5705 0x1
10506 #define TG3_FL_NOT_5705 0x2
10507 #define TG3_FL_NOT_5788 0x4
10508 #define TG3_FL_NOT_5750 0x8
10512 /* MAC Control Registers */
10513 { MAC_MODE, TG3_FL_NOT_5705,
10514 0x00000000, 0x00ef6f8c },
10515 { MAC_MODE, TG3_FL_5705,
10516 0x00000000, 0x01ef6b8c },
10517 { MAC_STATUS, TG3_FL_NOT_5705,
10518 0x03800107, 0x00000000 },
10519 { MAC_STATUS, TG3_FL_5705,
10520 0x03800100, 0x00000000 },
10521 { MAC_ADDR_0_HIGH, 0x0000,
10522 0x00000000, 0x0000ffff },
10523 { MAC_ADDR_0_LOW, 0x0000,
10524 0x00000000, 0xffffffff },
10525 { MAC_RX_MTU_SIZE, 0x0000,
10526 0x00000000, 0x0000ffff },
10527 { MAC_TX_MODE, 0x0000,
10528 0x00000000, 0x00000070 },
10529 { MAC_TX_LENGTHS, 0x0000,
10530 0x00000000, 0x00003fff },
10531 { MAC_RX_MODE, TG3_FL_NOT_5705,
10532 0x00000000, 0x000007fc },
10533 { MAC_RX_MODE, TG3_FL_5705,
10534 0x00000000, 0x000007dc },
10535 { MAC_HASH_REG_0, 0x0000,
10536 0x00000000, 0xffffffff },
10537 { MAC_HASH_REG_1, 0x0000,
10538 0x00000000, 0xffffffff },
10539 { MAC_HASH_REG_2, 0x0000,
10540 0x00000000, 0xffffffff },
10541 { MAC_HASH_REG_3, 0x0000,
10542 0x00000000, 0xffffffff },
10544 /* Receive Data and Receive BD Initiator Control Registers. */
10545 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
10546 0x00000000, 0xffffffff },
10547 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
10548 0x00000000, 0xffffffff },
10549 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
10550 0x00000000, 0x00000003 },
10551 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
10552 0x00000000, 0xffffffff },
10553 { RCVDBDI_STD_BD+0, 0x0000,
10554 0x00000000, 0xffffffff },
10555 { RCVDBDI_STD_BD+4, 0x0000,
10556 0x00000000, 0xffffffff },
10557 { RCVDBDI_STD_BD+8, 0x0000,
10558 0x00000000, 0xffff0002 },
10559 { RCVDBDI_STD_BD+0xc, 0x0000,
10560 0x00000000, 0xffffffff },
10562 /* Receive BD Initiator Control Registers. */
10563 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
10564 0x00000000, 0xffffffff },
10565 { RCVBDI_STD_THRESH, TG3_FL_5705,
10566 0x00000000, 0x000003ff },
10567 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
10568 0x00000000, 0xffffffff },
10570 /* Host Coalescing Control Registers. */
10571 { HOSTCC_MODE, TG3_FL_NOT_5705,
10572 0x00000000, 0x00000004 },
10573 { HOSTCC_MODE, TG3_FL_5705,
10574 0x00000000, 0x000000f6 },
10575 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
10576 0x00000000, 0xffffffff },
10577 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
10578 0x00000000, 0x000003ff },
10579 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
10580 0x00000000, 0xffffffff },
10581 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
10582 0x00000000, 0x000003ff },
10583 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
10584 0x00000000, 0xffffffff },
10585 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10586 0x00000000, 0x000000ff },
10587 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
10588 0x00000000, 0xffffffff },
10589 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
10590 0x00000000, 0x000000ff },
10591 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
10592 0x00000000, 0xffffffff },
10593 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
10594 0x00000000, 0xffffffff },
10595 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10596 0x00000000, 0xffffffff },
10597 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10598 0x00000000, 0x000000ff },
10599 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
10600 0x00000000, 0xffffffff },
10601 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
10602 0x00000000, 0x000000ff },
10603 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
10604 0x00000000, 0xffffffff },
10605 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
10606 0x00000000, 0xffffffff },
10607 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
10608 0x00000000, 0xffffffff },
10609 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
10610 0x00000000, 0xffffffff },
10611 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
10612 0x00000000, 0xffffffff },
10613 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
10614 0xffffffff, 0x00000000 },
10615 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
10616 0xffffffff, 0x00000000 },
10618 /* Buffer Manager Control Registers. */
10619 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
10620 0x00000000, 0x007fff80 },
10621 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
10622 0x00000000, 0x007fffff },
10623 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
10624 0x00000000, 0x0000003f },
10625 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
10626 0x00000000, 0x000001ff },
10627 { BUFMGR_MB_HIGH_WATER, 0x0000,
10628 0x00000000, 0x000001ff },
10629 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
10630 0xffffffff, 0x00000000 },
10631 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
10632 0xffffffff, 0x00000000 },
10634 /* Mailbox Registers */
10635 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
10636 0x00000000, 0x000001ff },
10637 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
10638 0x00000000, 0x000001ff },
10639 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
10640 0x00000000, 0x000007ff },
10641 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
10642 0x00000000, 0x000001ff },
10644 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
10647 is_5705 = is_5750 = 0;
10648 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10650 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
10654 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
10655 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
10658 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
10661 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10662 (reg_tbl[i].flags & TG3_FL_NOT_5788))
10665 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
10668 offset = (u32) reg_tbl[i].offset;
10669 read_mask = reg_tbl[i].read_mask;
10670 write_mask = reg_tbl[i].write_mask;
10672 /* Save the original register content */
10673 save_val = tr32(offset);
10675 /* Determine the read-only value. */
10676 read_val = save_val & read_mask;
10678 /* Write zero to the register, then make sure the read-only bits
10679 * are not changed and the read/write bits are all zeros.
10683 val = tr32(offset);
10685 /* Test the read-only and read/write bits. */
10686 if (((val & read_mask) != read_val) || (val & write_mask))
10689 /* Write ones to all the bits defined by RdMask and WrMask, then
10690 * make sure the read-only bits are not changed and the
10691 * read/write bits are all ones.
10693 tw32(offset, read_mask | write_mask);
10695 val = tr32(offset);
10697 /* Test the read-only bits. */
10698 if ((val & read_mask) != read_val)
10701 /* Test the read/write bits. */
10702 if ((val & write_mask) != write_mask)
10705 tw32(offset, save_val);
10711 if (netif_msg_hw(tp))
10712 netdev_err(tp->dev,
10713 "Register test failed at offset %x\n", offset);
10714 tw32(offset, save_val);
10718 static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
10720 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
10724 for (i = 0; i < ARRAY_SIZE(test_pattern); i++) {
10725 for (j = 0; j < len; j += 4) {
10728 tg3_write_mem(tp, offset + j, test_pattern[i]);
10729 tg3_read_mem(tp, offset + j, &val);
10730 if (val != test_pattern[i])
10737 static int tg3_test_memory(struct tg3 *tp)
10739 static struct mem_entry {
10742 } mem_tbl_570x[] = {
10743 { 0x00000000, 0x00b50},
10744 { 0x00002000, 0x1c000},
10745 { 0xffffffff, 0x00000}
10746 }, mem_tbl_5705[] = {
10747 { 0x00000100, 0x0000c},
10748 { 0x00000200, 0x00008},
10749 { 0x00004000, 0x00800},
10750 { 0x00006000, 0x01000},
10751 { 0x00008000, 0x02000},
10752 { 0x00010000, 0x0e000},
10753 { 0xffffffff, 0x00000}
10754 }, mem_tbl_5755[] = {
10755 { 0x00000200, 0x00008},
10756 { 0x00004000, 0x00800},
10757 { 0x00006000, 0x00800},
10758 { 0x00008000, 0x02000},
10759 { 0x00010000, 0x0c000},
10760 { 0xffffffff, 0x00000}
10761 }, mem_tbl_5906[] = {
10762 { 0x00000200, 0x00008},
10763 { 0x00004000, 0x00400},
10764 { 0x00006000, 0x00400},
10765 { 0x00008000, 0x01000},
10766 { 0x00010000, 0x01000},
10767 { 0xffffffff, 0x00000}
10768 }, mem_tbl_5717[] = {
10769 { 0x00000200, 0x00008},
10770 { 0x00010000, 0x0a000},
10771 { 0x00020000, 0x13c00},
10772 { 0xffffffff, 0x00000}
10773 }, mem_tbl_57765[] = {
10774 { 0x00000200, 0x00008},
10775 { 0x00004000, 0x00800},
10776 { 0x00006000, 0x09800},
10777 { 0x00010000, 0x0a000},
10778 { 0xffffffff, 0x00000}
10780 struct mem_entry *mem_tbl;
10784 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
10785 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
10786 mem_tbl = mem_tbl_5717;
10787 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
10788 mem_tbl = mem_tbl_57765;
10789 else if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
10790 mem_tbl = mem_tbl_5755;
10791 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10792 mem_tbl = mem_tbl_5906;
10793 else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
10794 mem_tbl = mem_tbl_5705;
10796 mem_tbl = mem_tbl_570x;
10798 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
10799 err = tg3_do_mem_test(tp, mem_tbl[i].offset, mem_tbl[i].len);
10807 #define TG3_MAC_LOOPBACK 0
10808 #define TG3_PHY_LOOPBACK 1
10810 static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
10812 u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
10813 u32 desc_idx, coal_now;
10814 struct sk_buff *skb, *rx_skb;
10817 int num_pkts, tx_len, rx_len, i, err;
10818 struct tg3_rx_buffer_desc *desc;
10819 struct tg3_napi *tnapi, *rnapi;
10820 struct tg3_rx_prodring_set *tpr = &tp->napi[0].prodring;
10822 tnapi = &tp->napi[0];
10823 rnapi = &tp->napi[0];
10824 if (tp->irq_cnt > 1) {
10825 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS)
10826 rnapi = &tp->napi[1];
10827 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_TSS)
10828 tnapi = &tp->napi[1];
10830 coal_now = tnapi->coal_now | rnapi->coal_now;
10832 if (loopback_mode == TG3_MAC_LOOPBACK) {
10833 /* HW errata - mac loopback fails in some cases on 5780.
10834 * Normal traffic and PHY loopback are not affected by
10837 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
10840 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
10841 MAC_MODE_PORT_INT_LPBACK;
10842 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
10843 mac_mode |= MAC_MODE_LINK_POLARITY;
10844 if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY)
10845 mac_mode |= MAC_MODE_PORT_MODE_MII;
10847 mac_mode |= MAC_MODE_PORT_MODE_GMII;
10848 tw32(MAC_MODE, mac_mode);
10849 } else if (loopback_mode == TG3_PHY_LOOPBACK) {
10852 if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
10853 tg3_phy_fet_toggle_apd(tp, false);
10854 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
10856 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
10858 tg3_phy_toggle_automdix(tp, 0);
10860 tg3_writephy(tp, MII_BMCR, val);
10863 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
10864 if (tp->phy_flags & TG3_PHYFLG_IS_FET) {
10865 tg3_writephy(tp, MII_TG3_FET_PTEST,
10866 MII_TG3_FET_PTEST_FRC_TX_LINK |
10867 MII_TG3_FET_PTEST_FRC_TX_LOCK);
10868 /* The write needs to be flushed for the AC131 */
10869 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
10870 tg3_readphy(tp, MII_TG3_FET_PTEST, &val);
10871 mac_mode |= MAC_MODE_PORT_MODE_MII;
10873 mac_mode |= MAC_MODE_PORT_MODE_GMII;
10875 /* reset to prevent losing 1st rx packet intermittently */
10876 if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) {
10877 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
10879 tw32_f(MAC_RX_MODE, tp->rx_mode);
10881 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
10882 u32 masked_phy_id = tp->phy_id & TG3_PHY_ID_MASK;
10883 if (masked_phy_id == TG3_PHY_ID_BCM5401)
10884 mac_mode &= ~MAC_MODE_LINK_POLARITY;
10885 else if (masked_phy_id == TG3_PHY_ID_BCM5411)
10886 mac_mode |= MAC_MODE_LINK_POLARITY;
10887 tg3_writephy(tp, MII_TG3_EXT_CTRL,
10888 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
10890 tw32(MAC_MODE, mac_mode);
10898 skb = netdev_alloc_skb(tp->dev, tx_len);
10902 tx_data = skb_put(skb, tx_len);
10903 memcpy(tx_data, tp->dev->dev_addr, 6);
10904 memset(tx_data + 6, 0x0, 8);
10906 tw32(MAC_RX_MTU_SIZE, tx_len + 4);
10908 for (i = 14; i < tx_len; i++)
10909 tx_data[i] = (u8) (i & 0xff);
10911 map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
10912 if (pci_dma_mapping_error(tp->pdev, map)) {
10913 dev_kfree_skb(skb);
10917 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10922 rx_start_idx = rnapi->hw_status->idx[0].rx_producer;
10926 tg3_set_txd(tnapi, tnapi->tx_prod, map, tx_len, 0, 1);
10931 tw32_tx_mbox(tnapi->prodmbox, tnapi->tx_prod);
10932 tr32_mailbox(tnapi->prodmbox);
10936 /* 350 usec to allow enough time on some 10/100 Mbps devices. */
10937 for (i = 0; i < 35; i++) {
10938 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
10943 tx_idx = tnapi->hw_status->idx[0].tx_consumer;
10944 rx_idx = rnapi->hw_status->idx[0].rx_producer;
10945 if ((tx_idx == tnapi->tx_prod) &&
10946 (rx_idx == (rx_start_idx + num_pkts)))
10950 pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
10951 dev_kfree_skb(skb);
10953 if (tx_idx != tnapi->tx_prod)
10956 if (rx_idx != rx_start_idx + num_pkts)
10959 desc = &rnapi->rx_rcb[rx_start_idx];
10960 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
10961 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
10962 if (opaque_key != RXD_OPAQUE_RING_STD)
10965 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
10966 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
10969 rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
10970 if (rx_len != tx_len)
10973 rx_skb = tpr->rx_std_buffers[desc_idx].skb;
10975 map = dma_unmap_addr(&tpr->rx_std_buffers[desc_idx], mapping);
10976 pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
10978 for (i = 14; i < tx_len; i++) {
10979 if (*(rx_skb->data + i) != (u8) (i & 0xff))
10984 /* tg3_free_rings will unmap and free the rx_skb */
10989 #define TG3_MAC_LOOPBACK_FAILED 1
10990 #define TG3_PHY_LOOPBACK_FAILED 2
10991 #define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
10992 TG3_PHY_LOOPBACK_FAILED)
10994 static int tg3_test_loopback(struct tg3 *tp)
10999 if (!netif_running(tp->dev))
11000 return TG3_LOOPBACK_FAILED;
11002 err = tg3_reset_hw(tp, 1);
11004 return TG3_LOOPBACK_FAILED;
11006 /* Turn off gphy autopowerdown. */
11007 if (tp->phy_flags & TG3_PHYFLG_ENABLE_APD)
11008 tg3_phy_toggle_apd(tp, false);
11010 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
11014 tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
11016 /* Wait for up to 40 microseconds to acquire lock. */
11017 for (i = 0; i < 4; i++) {
11018 status = tr32(TG3_CPMU_MUTEX_GNT);
11019 if (status == CPMU_MUTEX_GNT_DRIVER)
11024 if (status != CPMU_MUTEX_GNT_DRIVER)
11025 return TG3_LOOPBACK_FAILED;
11027 /* Turn off link-based power management. */
11028 cpmuctrl = tr32(TG3_CPMU_CTRL);
11029 tw32(TG3_CPMU_CTRL,
11030 cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE |
11031 CPMU_CTRL_LINK_AWARE_MODE));
11034 if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
11035 err |= TG3_MAC_LOOPBACK_FAILED;
11037 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
11038 tw32(TG3_CPMU_CTRL, cpmuctrl);
11040 /* Release the mutex */
11041 tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
11044 if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
11045 !(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) {
11046 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
11047 err |= TG3_PHY_LOOPBACK_FAILED;
11050 /* Re-enable gphy autopowerdown. */
11051 if (tp->phy_flags & TG3_PHYFLG_ENABLE_APD)
11052 tg3_phy_toggle_apd(tp, true);
11057 static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
11060 struct tg3 *tp = netdev_priv(dev);
11062 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
11063 tg3_set_power_state(tp, PCI_D0);
11065 memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
11067 if (tg3_test_nvram(tp) != 0) {
11068 etest->flags |= ETH_TEST_FL_FAILED;
11071 if (tg3_test_link(tp) != 0) {
11072 etest->flags |= ETH_TEST_FL_FAILED;
11075 if (etest->flags & ETH_TEST_FL_OFFLINE) {
11076 int err, err2 = 0, irq_sync = 0;
11078 if (netif_running(dev)) {
11080 tg3_netif_stop(tp);
11084 tg3_full_lock(tp, irq_sync);
11086 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
11087 err = tg3_nvram_lock(tp);
11088 tg3_halt_cpu(tp, RX_CPU_BASE);
11089 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
11090 tg3_halt_cpu(tp, TX_CPU_BASE);
11092 tg3_nvram_unlock(tp);
11094 if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
11097 if (tg3_test_registers(tp) != 0) {
11098 etest->flags |= ETH_TEST_FL_FAILED;
11101 if (tg3_test_memory(tp) != 0) {
11102 etest->flags |= ETH_TEST_FL_FAILED;
11105 if ((data[4] = tg3_test_loopback(tp)) != 0)
11106 etest->flags |= ETH_TEST_FL_FAILED;
11108 tg3_full_unlock(tp);
11110 if (tg3_test_interrupt(tp) != 0) {
11111 etest->flags |= ETH_TEST_FL_FAILED;
11115 tg3_full_lock(tp, 0);
11117 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
11118 if (netif_running(dev)) {
11119 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
11120 err2 = tg3_restart_hw(tp, 1);
11122 tg3_netif_start(tp);
11125 tg3_full_unlock(tp);
11127 if (irq_sync && !err2)
11130 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
11131 tg3_set_power_state(tp, PCI_D3hot);
11135 static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
11137 struct mii_ioctl_data *data = if_mii(ifr);
11138 struct tg3 *tp = netdev_priv(dev);
11141 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
11142 struct phy_device *phydev;
11143 if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED))
11145 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
11146 return phy_mii_ioctl(phydev, ifr, cmd);
11151 data->phy_id = tp->phy_addr;
11154 case SIOCGMIIREG: {
11157 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
11158 break; /* We have no PHY */
11160 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
11163 spin_lock_bh(&tp->lock);
11164 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
11165 spin_unlock_bh(&tp->lock);
11167 data->val_out = mii_regval;
11173 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
11174 break; /* We have no PHY */
11176 if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)
11179 spin_lock_bh(&tp->lock);
11180 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
11181 spin_unlock_bh(&tp->lock);
11189 return -EOPNOTSUPP;
11192 #if TG3_VLAN_TAG_USED
11193 static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
11195 struct tg3 *tp = netdev_priv(dev);
11197 if (!netif_running(dev)) {
11202 tg3_netif_stop(tp);
11204 tg3_full_lock(tp, 0);
11208 /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
11209 __tg3_set_rx_mode(dev);
11211 tg3_netif_start(tp);
11213 tg3_full_unlock(tp);
11217 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
11219 struct tg3 *tp = netdev_priv(dev);
11221 memcpy(ec, &tp->coal, sizeof(*ec));
11225 static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
11227 struct tg3 *tp = netdev_priv(dev);
11228 u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
11229 u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
11231 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
11232 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
11233 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
11234 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
11235 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
11238 if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
11239 (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
11240 (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
11241 (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
11242 (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
11243 (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
11244 (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
11245 (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
11246 (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
11247 (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
11250 /* No rx interrupts will be generated if both are zero */
11251 if ((ec->rx_coalesce_usecs == 0) &&
11252 (ec->rx_max_coalesced_frames == 0))
11255 /* No tx interrupts will be generated if both are zero */
11256 if ((ec->tx_coalesce_usecs == 0) &&
11257 (ec->tx_max_coalesced_frames == 0))
11260 /* Only copy relevant parameters, ignore all others. */
11261 tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
11262 tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
11263 tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
11264 tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
11265 tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
11266 tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
11267 tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
11268 tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
11269 tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
11271 if (netif_running(dev)) {
11272 tg3_full_lock(tp, 0);
11273 __tg3_set_coalesce(tp, &tp->coal);
11274 tg3_full_unlock(tp);
11279 static const struct ethtool_ops tg3_ethtool_ops = {
11280 .get_settings = tg3_get_settings,
11281 .set_settings = tg3_set_settings,
11282 .get_drvinfo = tg3_get_drvinfo,
11283 .get_regs_len = tg3_get_regs_len,
11284 .get_regs = tg3_get_regs,
11285 .get_wol = tg3_get_wol,
11286 .set_wol = tg3_set_wol,
11287 .get_msglevel = tg3_get_msglevel,
11288 .set_msglevel = tg3_set_msglevel,
11289 .nway_reset = tg3_nway_reset,
11290 .get_link = ethtool_op_get_link,
11291 .get_eeprom_len = tg3_get_eeprom_len,
11292 .get_eeprom = tg3_get_eeprom,
11293 .set_eeprom = tg3_set_eeprom,
11294 .get_ringparam = tg3_get_ringparam,
11295 .set_ringparam = tg3_set_ringparam,
11296 .get_pauseparam = tg3_get_pauseparam,
11297 .set_pauseparam = tg3_set_pauseparam,
11298 .get_rx_csum = tg3_get_rx_csum,
11299 .set_rx_csum = tg3_set_rx_csum,
11300 .set_tx_csum = tg3_set_tx_csum,
11301 .set_sg = ethtool_op_set_sg,
11302 .set_tso = tg3_set_tso,
11303 .self_test = tg3_self_test,
11304 .get_strings = tg3_get_strings,
11305 .phys_id = tg3_phys_id,
11306 .get_ethtool_stats = tg3_get_ethtool_stats,
11307 .get_coalesce = tg3_get_coalesce,
11308 .set_coalesce = tg3_set_coalesce,
11309 .get_sset_count = tg3_get_sset_count,
11312 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
11314 u32 cursize, val, magic;
11316 tp->nvram_size = EEPROM_CHIP_SIZE;
11318 if (tg3_nvram_read(tp, 0, &magic) != 0)
11321 if ((magic != TG3_EEPROM_MAGIC) &&
11322 ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
11323 ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
11327 * Size the chip by reading offsets at increasing powers of two.
11328 * When we encounter our validation signature, we know the addressing
11329 * has wrapped around, and thus have our chip size.
11333 while (cursize < tp->nvram_size) {
11334 if (tg3_nvram_read(tp, cursize, &val) != 0)
11343 tp->nvram_size = cursize;
11346 static void __devinit tg3_get_nvram_size(struct tg3 *tp)
11350 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
11351 tg3_nvram_read(tp, 0, &val) != 0)
11354 /* Selfboot format */
11355 if (val != TG3_EEPROM_MAGIC) {
11356 tg3_get_eeprom_size(tp);
11360 if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
11362 /* This is confusing. We want to operate on the
11363 * 16-bit value at offset 0xf2. The tg3_nvram_read()
11364 * call will read from NVRAM and byteswap the data
11365 * according to the byteswapping settings for all
11366 * other register accesses. This ensures the data we
11367 * want will always reside in the lower 16-bits.
11368 * However, the data in NVRAM is in LE format, which
11369 * means the data from the NVRAM read will always be
11370 * opposite the endianness of the CPU. The 16-bit
11371 * byteswap then brings the data to CPU endianness.
11373 tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024;
11377 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11380 static void __devinit tg3_get_nvram_info(struct tg3 *tp)
11384 nvcfg1 = tr32(NVRAM_CFG1);
11385 if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
11386 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11388 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11389 tw32(NVRAM_CFG1, nvcfg1);
11392 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
11393 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
11394 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
11395 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
11396 tp->nvram_jedecnum = JEDEC_ATMEL;
11397 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
11398 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11400 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
11401 tp->nvram_jedecnum = JEDEC_ATMEL;
11402 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
11404 case FLASH_VENDOR_ATMEL_EEPROM:
11405 tp->nvram_jedecnum = JEDEC_ATMEL;
11406 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11407 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11409 case FLASH_VENDOR_ST:
11410 tp->nvram_jedecnum = JEDEC_ST;
11411 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
11412 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11414 case FLASH_VENDOR_SAIFUN:
11415 tp->nvram_jedecnum = JEDEC_SAIFUN;
11416 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
11418 case FLASH_VENDOR_SST_SMALL:
11419 case FLASH_VENDOR_SST_LARGE:
11420 tp->nvram_jedecnum = JEDEC_SST;
11421 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
11425 tp->nvram_jedecnum = JEDEC_ATMEL;
11426 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
11427 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11431 static void __devinit tg3_nvram_get_pagesize(struct tg3 *tp, u32 nvmcfg1)
11433 switch (nvmcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
11434 case FLASH_5752PAGE_SIZE_256:
11435 tp->nvram_pagesize = 256;
11437 case FLASH_5752PAGE_SIZE_512:
11438 tp->nvram_pagesize = 512;
11440 case FLASH_5752PAGE_SIZE_1K:
11441 tp->nvram_pagesize = 1024;
11443 case FLASH_5752PAGE_SIZE_2K:
11444 tp->nvram_pagesize = 2048;
11446 case FLASH_5752PAGE_SIZE_4K:
11447 tp->nvram_pagesize = 4096;
11449 case FLASH_5752PAGE_SIZE_264:
11450 tp->nvram_pagesize = 264;
11452 case FLASH_5752PAGE_SIZE_528:
11453 tp->nvram_pagesize = 528;
11458 static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
11462 nvcfg1 = tr32(NVRAM_CFG1);
11464 /* NVRAM protection for TPM */
11465 if (nvcfg1 & (1 << 27))
11466 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11468 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11469 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
11470 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
11471 tp->nvram_jedecnum = JEDEC_ATMEL;
11472 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11474 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11475 tp->nvram_jedecnum = JEDEC_ATMEL;
11476 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11477 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11479 case FLASH_5752VENDOR_ST_M45PE10:
11480 case FLASH_5752VENDOR_ST_M45PE20:
11481 case FLASH_5752VENDOR_ST_M45PE40:
11482 tp->nvram_jedecnum = JEDEC_ST;
11483 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11484 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11488 if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
11489 tg3_nvram_get_pagesize(tp, nvcfg1);
11491 /* For eeprom, set pagesize to maximum eeprom size */
11492 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11494 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11495 tw32(NVRAM_CFG1, nvcfg1);
11499 static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
11501 u32 nvcfg1, protect = 0;
11503 nvcfg1 = tr32(NVRAM_CFG1);
11505 /* NVRAM protection for TPM */
11506 if (nvcfg1 & (1 << 27)) {
11507 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11511 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11513 case FLASH_5755VENDOR_ATMEL_FLASH_1:
11514 case FLASH_5755VENDOR_ATMEL_FLASH_2:
11515 case FLASH_5755VENDOR_ATMEL_FLASH_3:
11516 case FLASH_5755VENDOR_ATMEL_FLASH_5:
11517 tp->nvram_jedecnum = JEDEC_ATMEL;
11518 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11519 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11520 tp->nvram_pagesize = 264;
11521 if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
11522 nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
11523 tp->nvram_size = (protect ? 0x3e200 :
11524 TG3_NVRAM_SIZE_512KB);
11525 else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
11526 tp->nvram_size = (protect ? 0x1f200 :
11527 TG3_NVRAM_SIZE_256KB);
11529 tp->nvram_size = (protect ? 0x1f200 :
11530 TG3_NVRAM_SIZE_128KB);
11532 case FLASH_5752VENDOR_ST_M45PE10:
11533 case FLASH_5752VENDOR_ST_M45PE20:
11534 case FLASH_5752VENDOR_ST_M45PE40:
11535 tp->nvram_jedecnum = JEDEC_ST;
11536 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11537 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11538 tp->nvram_pagesize = 256;
11539 if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
11540 tp->nvram_size = (protect ?
11541 TG3_NVRAM_SIZE_64KB :
11542 TG3_NVRAM_SIZE_128KB);
11543 else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
11544 tp->nvram_size = (protect ?
11545 TG3_NVRAM_SIZE_64KB :
11546 TG3_NVRAM_SIZE_256KB);
11548 tp->nvram_size = (protect ?
11549 TG3_NVRAM_SIZE_128KB :
11550 TG3_NVRAM_SIZE_512KB);
11555 static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
11559 nvcfg1 = tr32(NVRAM_CFG1);
11561 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11562 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
11563 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11564 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
11565 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11566 tp->nvram_jedecnum = JEDEC_ATMEL;
11567 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11568 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11570 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11571 tw32(NVRAM_CFG1, nvcfg1);
11573 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11574 case FLASH_5755VENDOR_ATMEL_FLASH_1:
11575 case FLASH_5755VENDOR_ATMEL_FLASH_2:
11576 case FLASH_5755VENDOR_ATMEL_FLASH_3:
11577 tp->nvram_jedecnum = JEDEC_ATMEL;
11578 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11579 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11580 tp->nvram_pagesize = 264;
11582 case FLASH_5752VENDOR_ST_M45PE10:
11583 case FLASH_5752VENDOR_ST_M45PE20:
11584 case FLASH_5752VENDOR_ST_M45PE40:
11585 tp->nvram_jedecnum = JEDEC_ST;
11586 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11587 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11588 tp->nvram_pagesize = 256;
11593 static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
11595 u32 nvcfg1, protect = 0;
11597 nvcfg1 = tr32(NVRAM_CFG1);
11599 /* NVRAM protection for TPM */
11600 if (nvcfg1 & (1 << 27)) {
11601 tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
11605 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
11607 case FLASH_5761VENDOR_ATMEL_ADB021D:
11608 case FLASH_5761VENDOR_ATMEL_ADB041D:
11609 case FLASH_5761VENDOR_ATMEL_ADB081D:
11610 case FLASH_5761VENDOR_ATMEL_ADB161D:
11611 case FLASH_5761VENDOR_ATMEL_MDB021D:
11612 case FLASH_5761VENDOR_ATMEL_MDB041D:
11613 case FLASH_5761VENDOR_ATMEL_MDB081D:
11614 case FLASH_5761VENDOR_ATMEL_MDB161D:
11615 tp->nvram_jedecnum = JEDEC_ATMEL;
11616 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11617 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11618 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11619 tp->nvram_pagesize = 256;
11621 case FLASH_5761VENDOR_ST_A_M45PE20:
11622 case FLASH_5761VENDOR_ST_A_M45PE40:
11623 case FLASH_5761VENDOR_ST_A_M45PE80:
11624 case FLASH_5761VENDOR_ST_A_M45PE16:
11625 case FLASH_5761VENDOR_ST_M_M45PE20:
11626 case FLASH_5761VENDOR_ST_M_M45PE40:
11627 case FLASH_5761VENDOR_ST_M_M45PE80:
11628 case FLASH_5761VENDOR_ST_M_M45PE16:
11629 tp->nvram_jedecnum = JEDEC_ST;
11630 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11631 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11632 tp->nvram_pagesize = 256;
11637 tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT);
11640 case FLASH_5761VENDOR_ATMEL_ADB161D:
11641 case FLASH_5761VENDOR_ATMEL_MDB161D:
11642 case FLASH_5761VENDOR_ST_A_M45PE16:
11643 case FLASH_5761VENDOR_ST_M_M45PE16:
11644 tp->nvram_size = TG3_NVRAM_SIZE_2MB;
11646 case FLASH_5761VENDOR_ATMEL_ADB081D:
11647 case FLASH_5761VENDOR_ATMEL_MDB081D:
11648 case FLASH_5761VENDOR_ST_A_M45PE80:
11649 case FLASH_5761VENDOR_ST_M_M45PE80:
11650 tp->nvram_size = TG3_NVRAM_SIZE_1MB;
11652 case FLASH_5761VENDOR_ATMEL_ADB041D:
11653 case FLASH_5761VENDOR_ATMEL_MDB041D:
11654 case FLASH_5761VENDOR_ST_A_M45PE40:
11655 case FLASH_5761VENDOR_ST_M_M45PE40:
11656 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11658 case FLASH_5761VENDOR_ATMEL_ADB021D:
11659 case FLASH_5761VENDOR_ATMEL_MDB021D:
11660 case FLASH_5761VENDOR_ST_A_M45PE20:
11661 case FLASH_5761VENDOR_ST_M_M45PE20:
11662 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11668 static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
11670 tp->nvram_jedecnum = JEDEC_ATMEL;
11671 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11672 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11675 static void __devinit tg3_get_57780_nvram_info(struct tg3 *tp)
11679 nvcfg1 = tr32(NVRAM_CFG1);
11681 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11682 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
11683 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
11684 tp->nvram_jedecnum = JEDEC_ATMEL;
11685 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11686 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11688 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11689 tw32(NVRAM_CFG1, nvcfg1);
11691 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11692 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11693 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11694 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11695 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11696 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11697 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11698 tp->nvram_jedecnum = JEDEC_ATMEL;
11699 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11700 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11702 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11703 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
11704 case FLASH_57780VENDOR_ATMEL_AT45DB011D:
11705 case FLASH_57780VENDOR_ATMEL_AT45DB011B:
11706 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11708 case FLASH_57780VENDOR_ATMEL_AT45DB021D:
11709 case FLASH_57780VENDOR_ATMEL_AT45DB021B:
11710 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11712 case FLASH_57780VENDOR_ATMEL_AT45DB041D:
11713 case FLASH_57780VENDOR_ATMEL_AT45DB041B:
11714 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11718 case FLASH_5752VENDOR_ST_M45PE10:
11719 case FLASH_5752VENDOR_ST_M45PE20:
11720 case FLASH_5752VENDOR_ST_M45PE40:
11721 tp->nvram_jedecnum = JEDEC_ST;
11722 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11723 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11725 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11726 case FLASH_5752VENDOR_ST_M45PE10:
11727 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11729 case FLASH_5752VENDOR_ST_M45PE20:
11730 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11732 case FLASH_5752VENDOR_ST_M45PE40:
11733 tp->nvram_size = TG3_NVRAM_SIZE_512KB;
11738 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11742 tg3_nvram_get_pagesize(tp, nvcfg1);
11743 if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11744 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11748 static void __devinit tg3_get_5717_nvram_info(struct tg3 *tp)
11752 nvcfg1 = tr32(NVRAM_CFG1);
11754 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11755 case FLASH_5717VENDOR_ATMEL_EEPROM:
11756 case FLASH_5717VENDOR_MICRO_EEPROM:
11757 tp->nvram_jedecnum = JEDEC_ATMEL;
11758 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11759 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
11761 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
11762 tw32(NVRAM_CFG1, nvcfg1);
11764 case FLASH_5717VENDOR_ATMEL_MDB011D:
11765 case FLASH_5717VENDOR_ATMEL_ADB011B:
11766 case FLASH_5717VENDOR_ATMEL_ADB011D:
11767 case FLASH_5717VENDOR_ATMEL_MDB021D:
11768 case FLASH_5717VENDOR_ATMEL_ADB021B:
11769 case FLASH_5717VENDOR_ATMEL_ADB021D:
11770 case FLASH_5717VENDOR_ATMEL_45USPT:
11771 tp->nvram_jedecnum = JEDEC_ATMEL;
11772 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11773 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11775 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11776 case FLASH_5717VENDOR_ATMEL_MDB021D:
11777 case FLASH_5717VENDOR_ATMEL_ADB021B:
11778 case FLASH_5717VENDOR_ATMEL_ADB021D:
11779 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11782 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11786 case FLASH_5717VENDOR_ST_M_M25PE10:
11787 case FLASH_5717VENDOR_ST_A_M25PE10:
11788 case FLASH_5717VENDOR_ST_M_M45PE10:
11789 case FLASH_5717VENDOR_ST_A_M45PE10:
11790 case FLASH_5717VENDOR_ST_M_M25PE20:
11791 case FLASH_5717VENDOR_ST_A_M25PE20:
11792 case FLASH_5717VENDOR_ST_M_M45PE20:
11793 case FLASH_5717VENDOR_ST_A_M45PE20:
11794 case FLASH_5717VENDOR_ST_25USPT:
11795 case FLASH_5717VENDOR_ST_45USPT:
11796 tp->nvram_jedecnum = JEDEC_ST;
11797 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
11798 tp->tg3_flags2 |= TG3_FLG2_FLASH;
11800 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
11801 case FLASH_5717VENDOR_ST_M_M25PE20:
11802 case FLASH_5717VENDOR_ST_A_M25PE20:
11803 case FLASH_5717VENDOR_ST_M_M45PE20:
11804 case FLASH_5717VENDOR_ST_A_M45PE20:
11805 tp->nvram_size = TG3_NVRAM_SIZE_256KB;
11808 tp->nvram_size = TG3_NVRAM_SIZE_128KB;
11813 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM;
11817 tg3_nvram_get_pagesize(tp, nvcfg1);
11818 if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528)
11819 tp->tg3_flags3 |= TG3_FLG3_NO_NVRAM_ADDR_TRANS;
11822 /* Chips other than 5700/5701 use the NVRAM for fetching info. */
11823 static void __devinit tg3_nvram_init(struct tg3 *tp)
11825 tw32_f(GRC_EEPROM_ADDR,
11826 (EEPROM_ADDR_FSM_RESET |
11827 (EEPROM_DEFAULT_CLOCK_PERIOD <<
11828 EEPROM_ADDR_CLKPERD_SHIFT)));
11832 /* Enable seeprom accesses. */
11833 tw32_f(GRC_LOCAL_CTRL,
11834 tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
11837 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11838 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
11839 tp->tg3_flags |= TG3_FLAG_NVRAM;
11841 if (tg3_nvram_lock(tp)) {
11842 netdev_warn(tp->dev,
11843 "Cannot get nvram lock, %s failed\n",
11847 tg3_enable_nvram_access(tp);
11849 tp->nvram_size = 0;
11851 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
11852 tg3_get_5752_nvram_info(tp);
11853 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
11854 tg3_get_5755_nvram_info(tp);
11855 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11856 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
11857 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
11858 tg3_get_5787_nvram_info(tp);
11859 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
11860 tg3_get_5761_nvram_info(tp);
11861 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11862 tg3_get_5906_nvram_info(tp);
11863 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
11864 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
11865 tg3_get_57780_nvram_info(tp);
11866 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
11867 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
11868 tg3_get_5717_nvram_info(tp);
11870 tg3_get_nvram_info(tp);
11872 if (tp->nvram_size == 0)
11873 tg3_get_nvram_size(tp);
11875 tg3_disable_nvram_access(tp);
11876 tg3_nvram_unlock(tp);
11879 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
11881 tg3_get_eeprom_size(tp);
11885 static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
11886 u32 offset, u32 len, u8 *buf)
11891 for (i = 0; i < len; i += 4) {
11897 memcpy(&data, buf + i, 4);
11900 * The SEEPROM interface expects the data to always be opposite
11901 * the native endian format. We accomplish this by reversing
11902 * all the operations that would have been performed on the
11903 * data from a call to tg3_nvram_read_be32().
11905 tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data)));
11907 val = tr32(GRC_EEPROM_ADDR);
11908 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
11910 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
11912 tw32(GRC_EEPROM_ADDR, val |
11913 (0 << EEPROM_ADDR_DEVID_SHIFT) |
11914 (addr & EEPROM_ADDR_ADDR_MASK) |
11915 EEPROM_ADDR_START |
11916 EEPROM_ADDR_WRITE);
11918 for (j = 0; j < 1000; j++) {
11919 val = tr32(GRC_EEPROM_ADDR);
11921 if (val & EEPROM_ADDR_COMPLETE)
11925 if (!(val & EEPROM_ADDR_COMPLETE)) {
11934 /* offset and length are dword aligned */
11935 static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
11939 u32 pagesize = tp->nvram_pagesize;
11940 u32 pagemask = pagesize - 1;
11944 tmp = kmalloc(pagesize, GFP_KERNEL);
11950 u32 phy_addr, page_off, size;
11952 phy_addr = offset & ~pagemask;
11954 for (j = 0; j < pagesize; j += 4) {
11955 ret = tg3_nvram_read_be32(tp, phy_addr + j,
11956 (__be32 *) (tmp + j));
11963 page_off = offset & pagemask;
11970 memcpy(tmp + page_off, buf, size);
11972 offset = offset + (pagesize - page_off);
11974 tg3_enable_nvram_access(tp);
11977 * Before we can erase the flash page, we need
11978 * to issue a special "write enable" command.
11980 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11982 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11985 /* Erase the target page */
11986 tw32(NVRAM_ADDR, phy_addr);
11988 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
11989 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
11991 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
11994 /* Issue another write enable to start the write. */
11995 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
11997 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
12000 for (j = 0; j < pagesize; j += 4) {
12003 data = *((__be32 *) (tmp + j));
12005 tw32(NVRAM_WRDATA, be32_to_cpu(data));
12007 tw32(NVRAM_ADDR, phy_addr + j);
12009 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
12013 nvram_cmd |= NVRAM_CMD_FIRST;
12014 else if (j == (pagesize - 4))
12015 nvram_cmd |= NVRAM_CMD_LAST;
12017 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
12024 nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
12025 tg3_nvram_exec_cmd(tp, nvram_cmd);
12032 /* offset and length are dword aligned */
12033 static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
12038 for (i = 0; i < len; i += 4, offset += 4) {
12039 u32 page_off, phy_addr, nvram_cmd;
12042 memcpy(&data, buf + i, 4);
12043 tw32(NVRAM_WRDATA, be32_to_cpu(data));
12045 page_off = offset % tp->nvram_pagesize;
12047 phy_addr = tg3_nvram_phys_addr(tp, offset);
12049 tw32(NVRAM_ADDR, phy_addr);
12051 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
12053 if (page_off == 0 || i == 0)
12054 nvram_cmd |= NVRAM_CMD_FIRST;
12055 if (page_off == (tp->nvram_pagesize - 4))
12056 nvram_cmd |= NVRAM_CMD_LAST;
12058 if (i == (len - 4))
12059 nvram_cmd |= NVRAM_CMD_LAST;
12061 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
12062 !(tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
12063 (tp->nvram_jedecnum == JEDEC_ST) &&
12064 (nvram_cmd & NVRAM_CMD_FIRST)) {
12066 if ((ret = tg3_nvram_exec_cmd(tp,
12067 NVRAM_CMD_WREN | NVRAM_CMD_GO |
12072 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
12073 /* We always do complete word writes to eeprom. */
12074 nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
12077 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
12083 /* offset and length are dword aligned */
12084 static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
12088 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
12089 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
12090 ~GRC_LCLCTRL_GPIO_OUTPUT1);
12094 if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
12095 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
12099 ret = tg3_nvram_lock(tp);
12103 tg3_enable_nvram_access(tp);
12104 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
12105 !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM))
12106 tw32(NVRAM_WRITE1, 0x406);
12108 grc_mode = tr32(GRC_MODE);
12109 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
12111 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
12112 !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
12114 ret = tg3_nvram_write_block_buffered(tp, offset, len,
12117 ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
12121 grc_mode = tr32(GRC_MODE);
12122 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
12124 tg3_disable_nvram_access(tp);
12125 tg3_nvram_unlock(tp);
12128 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
12129 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
12136 struct subsys_tbl_ent {
12137 u16 subsys_vendor, subsys_devid;
12141 static struct subsys_tbl_ent subsys_id_to_phy_id[] __devinitdata = {
12142 /* Broadcom boards. */
12143 { TG3PCI_SUBVENDOR_ID_BROADCOM,
12144 TG3PCI_SUBDEVICE_ID_BROADCOM_95700A6, TG3_PHY_ID_BCM5401 },
12145 { TG3PCI_SUBVENDOR_ID_BROADCOM,
12146 TG3PCI_SUBDEVICE_ID_BROADCOM_95701A5, TG3_PHY_ID_BCM5701 },
12147 { TG3PCI_SUBVENDOR_ID_BROADCOM,
12148 TG3PCI_SUBDEVICE_ID_BROADCOM_95700T6, TG3_PHY_ID_BCM8002 },
12149 { TG3PCI_SUBVENDOR_ID_BROADCOM,
12150 TG3PCI_SUBDEVICE_ID_BROADCOM_95700A9, 0 },
12151 { TG3PCI_SUBVENDOR_ID_BROADCOM,
12152 TG3PCI_SUBDEVICE_ID_BROADCOM_95701T1, TG3_PHY_ID_BCM5701 },
12153 { TG3PCI_SUBVENDOR_ID_BROADCOM,
12154 TG3PCI_SUBDEVICE_ID_BROADCOM_95701T8, TG3_PHY_ID_BCM5701 },
12155 { TG3PCI_SUBVENDOR_ID_BROADCOM,
12156 TG3PCI_SUBDEVICE_ID_BROADCOM_95701A7, 0 },
12157 { TG3PCI_SUBVENDOR_ID_BROADCOM,
12158 TG3PCI_SUBDEVICE_ID_BROADCOM_95701A10, TG3_PHY_ID_BCM5701 },
12159 { TG3PCI_SUBVENDOR_ID_BROADCOM,
12160 TG3PCI_SUBDEVICE_ID_BROADCOM_95701A12, TG3_PHY_ID_BCM5701 },
12161 { TG3PCI_SUBVENDOR_ID_BROADCOM,
12162 TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX1, TG3_PHY_ID_BCM5703 },
12163 { TG3PCI_SUBVENDOR_ID_BROADCOM,
12164 TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX2, TG3_PHY_ID_BCM5703 },
12167 { TG3PCI_SUBVENDOR_ID_3COM,
12168 TG3PCI_SUBDEVICE_ID_3COM_3C996T, TG3_PHY_ID_BCM5401 },
12169 { TG3PCI_SUBVENDOR_ID_3COM,
12170 TG3PCI_SUBDEVICE_ID_3COM_3C996BT, TG3_PHY_ID_BCM5701 },
12171 { TG3PCI_SUBVENDOR_ID_3COM,
12172 TG3PCI_SUBDEVICE_ID_3COM_3C996SX, 0 },
12173 { TG3PCI_SUBVENDOR_ID_3COM,
12174 TG3PCI_SUBDEVICE_ID_3COM_3C1000T, TG3_PHY_ID_BCM5701 },
12175 { TG3PCI_SUBVENDOR_ID_3COM,
12176 TG3PCI_SUBDEVICE_ID_3COM_3C940BR01, TG3_PHY_ID_BCM5701 },
12179 { TG3PCI_SUBVENDOR_ID_DELL,
12180 TG3PCI_SUBDEVICE_ID_DELL_VIPER, TG3_PHY_ID_BCM5401 },
12181 { TG3PCI_SUBVENDOR_ID_DELL,
12182 TG3PCI_SUBDEVICE_ID_DELL_JAGUAR, TG3_PHY_ID_BCM5401 },
12183 { TG3PCI_SUBVENDOR_ID_DELL,
12184 TG3PCI_SUBDEVICE_ID_DELL_MERLOT, TG3_PHY_ID_BCM5411 },
12185 { TG3PCI_SUBVENDOR_ID_DELL,
12186 TG3PCI_SUBDEVICE_ID_DELL_SLIM_MERLOT, TG3_PHY_ID_BCM5411 },
12188 /* Compaq boards. */
12189 { TG3PCI_SUBVENDOR_ID_COMPAQ,
12190 TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE, TG3_PHY_ID_BCM5701 },
12191 { TG3PCI_SUBVENDOR_ID_COMPAQ,
12192 TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE_2, TG3_PHY_ID_BCM5701 },
12193 { TG3PCI_SUBVENDOR_ID_COMPAQ,
12194 TG3PCI_SUBDEVICE_ID_COMPAQ_CHANGELING, 0 },
12195 { TG3PCI_SUBVENDOR_ID_COMPAQ,
12196 TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780, TG3_PHY_ID_BCM5701 },
12197 { TG3PCI_SUBVENDOR_ID_COMPAQ,
12198 TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780_2, TG3_PHY_ID_BCM5701 },
12201 { TG3PCI_SUBVENDOR_ID_IBM,
12202 TG3PCI_SUBDEVICE_ID_IBM_5703SAX2, 0 }
12205 static struct subsys_tbl_ent * __devinit tg3_lookup_by_subsys(struct tg3 *tp)
12209 for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
12210 if ((subsys_id_to_phy_id[i].subsys_vendor ==
12211 tp->pdev->subsystem_vendor) &&
12212 (subsys_id_to_phy_id[i].subsys_devid ==
12213 tp->pdev->subsystem_device))
12214 return &subsys_id_to_phy_id[i];
12219 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
12224 /* On some early chips the SRAM cannot be accessed in D3hot state,
12225 * so need make sure we're in D0.
12227 pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
12228 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
12229 pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
12232 /* Make sure register accesses (indirect or otherwise)
12233 * will function correctly.
12235 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
12236 tp->misc_host_ctrl);
12238 /* The memory arbiter has to be enabled in order for SRAM accesses
12239 * to succeed. Normally on powerup the tg3 chip firmware will make
12240 * sure it is enabled, but other entities such as system netboot
12241 * code might disable it.
12243 val = tr32(MEMARB_MODE);
12244 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
12246 tp->phy_id = TG3_PHY_ID_INVALID;
12247 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12249 /* Assume an onboard device and WOL capable by default. */
12250 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
12252 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12253 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
12254 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12255 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
12257 val = tr32(VCPU_CFGSHDW);
12258 if (val & VCPU_CFGSHDW_ASPM_DBNC)
12259 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
12260 if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
12261 (val & VCPU_CFGSHDW_WOL_MAGPKT))
12262 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
12266 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
12267 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
12268 u32 nic_cfg, led_cfg;
12269 u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id;
12270 int eeprom_phy_serdes = 0;
12272 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
12273 tp->nic_sram_data_cfg = nic_cfg;
12275 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
12276 ver >>= NIC_SRAM_DATA_VER_SHIFT;
12277 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
12278 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
12279 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
12280 (ver > 0) && (ver < 0x100))
12281 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
12283 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
12284 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4);
12286 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
12287 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
12288 eeprom_phy_serdes = 1;
12290 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
12291 if (nic_phy_id != 0) {
12292 u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
12293 u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
12295 eeprom_phy_id = (id1 >> 16) << 10;
12296 eeprom_phy_id |= (id2 & 0xfc00) << 16;
12297 eeprom_phy_id |= (id2 & 0x03ff) << 0;
12301 tp->phy_id = eeprom_phy_id;
12302 if (eeprom_phy_serdes) {
12303 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
12304 tp->phy_flags |= TG3_PHYFLG_PHY_SERDES;
12306 tp->phy_flags |= TG3_PHYFLG_MII_SERDES;
12309 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
12310 led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
12311 SHASTA_EXT_LED_MODE_MASK);
12313 led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
12317 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
12318 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12321 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
12322 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
12325 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
12326 tp->led_ctrl = LED_CTRL_MODE_MAC;
12328 /* Default to PHY_1_MODE if 0 (MAC_MODE) is
12329 * read on some older 5700/5701 bootcode.
12331 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
12333 GET_ASIC_REV(tp->pci_chip_rev_id) ==
12335 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12339 case SHASTA_EXT_LED_SHARED:
12340 tp->led_ctrl = LED_CTRL_MODE_SHARED;
12341 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
12342 tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
12343 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
12344 LED_CTRL_MODE_PHY_2);
12347 case SHASTA_EXT_LED_MAC:
12348 tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
12351 case SHASTA_EXT_LED_COMBO:
12352 tp->led_ctrl = LED_CTRL_MODE_COMBO;
12353 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
12354 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
12355 LED_CTRL_MODE_PHY_2);
12360 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
12361 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
12362 tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
12363 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
12365 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX)
12366 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
12368 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
12369 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
12370 if ((tp->pdev->subsystem_vendor ==
12371 PCI_VENDOR_ID_ARIMA) &&
12372 (tp->pdev->subsystem_device == 0x205a ||
12373 tp->pdev->subsystem_device == 0x2063))
12374 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12376 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
12377 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
12380 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
12381 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
12382 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
12383 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
12386 if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) &&
12387 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
12388 tp->tg3_flags3 |= TG3_FLG3_ENABLE_APE;
12390 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES &&
12391 !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
12392 tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
12394 if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
12395 (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE))
12396 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
12398 if (cfg2 & (1 << 17))
12399 tp->phy_flags |= TG3_PHYFLG_CAPACITIVE_COUPLING;
12401 /* serdes signal pre-emphasis in register 0x590 set by */
12402 /* bootcode if bit 18 is set */
12403 if (cfg2 & (1 << 18))
12404 tp->phy_flags |= TG3_PHYFLG_SERDES_PREEMPHASIS;
12406 if (((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
12407 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX)) &&
12408 (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN))
12409 tp->phy_flags |= TG3_PHYFLG_ENABLE_APD;
12411 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
12412 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
12413 !(tp->tg3_flags3 & TG3_FLG3_5717_PLUS)) {
12416 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
12417 if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
12418 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
12421 if (cfg4 & NIC_SRAM_RGMII_INBAND_DISABLE)
12422 tp->tg3_flags3 |= TG3_FLG3_RGMII_INBAND_DISABLE;
12423 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN)
12424 tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_RX_EN;
12425 if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN)
12426 tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN;
12429 device_init_wakeup(&tp->pdev->dev, tp->tg3_flags & TG3_FLAG_WOL_CAP);
12430 device_set_wakeup_enable(&tp->pdev->dev,
12431 tp->tg3_flags & TG3_FLAG_WOL_ENABLE);
12434 static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd)
12439 tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START);
12440 tw32(OTP_CTRL, cmd);
12442 /* Wait for up to 1 ms for command to execute. */
12443 for (i = 0; i < 100; i++) {
12444 val = tr32(OTP_STATUS);
12445 if (val & OTP_STATUS_CMD_DONE)
12450 return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY;
12453 /* Read the gphy configuration from the OTP region of the chip. The gphy
12454 * configuration is a 32-bit value that straddles the alignment boundary.
12455 * We do two 32-bit reads and then shift and merge the results.
12457 static u32 __devinit tg3_read_otp_phycfg(struct tg3 *tp)
12459 u32 bhalf_otp, thalf_otp;
12461 tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC);
12463 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT))
12466 tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1);
12468 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12471 thalf_otp = tr32(OTP_READ_DATA);
12473 tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2);
12475 if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ))
12478 bhalf_otp = tr32(OTP_READ_DATA);
12480 return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16);
12483 static int __devinit tg3_phy_probe(struct tg3 *tp)
12485 u32 hw_phy_id_1, hw_phy_id_2;
12486 u32 hw_phy_id, hw_phy_id_masked;
12489 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
12490 return tg3_phy_init(tp);
12492 /* Reading the PHY ID register can conflict with ASF
12493 * firmware access to the PHY hardware.
12496 if ((tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
12497 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
12498 hw_phy_id = hw_phy_id_masked = TG3_PHY_ID_INVALID;
12500 /* Now read the physical PHY_ID from the chip and verify
12501 * that it is sane. If it doesn't look good, we fall back
12502 * to either the hard-coded table based PHY_ID and failing
12503 * that the value found in the eeprom area.
12505 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
12506 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
12508 hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
12509 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
12510 hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
12512 hw_phy_id_masked = hw_phy_id & TG3_PHY_ID_MASK;
12515 if (!err && TG3_KNOWN_PHY_ID(hw_phy_id_masked)) {
12516 tp->phy_id = hw_phy_id;
12517 if (hw_phy_id_masked == TG3_PHY_ID_BCM8002)
12518 tp->phy_flags |= TG3_PHYFLG_PHY_SERDES;
12520 tp->phy_flags &= ~TG3_PHYFLG_PHY_SERDES;
12522 if (tp->phy_id != TG3_PHY_ID_INVALID) {
12523 /* Do nothing, phy ID already set up in
12524 * tg3_get_eeprom_hw_cfg().
12527 struct subsys_tbl_ent *p;
12529 /* No eeprom signature? Try the hardcoded
12530 * subsys device table.
12532 p = tg3_lookup_by_subsys(tp);
12536 tp->phy_id = p->phy_id;
12538 tp->phy_id == TG3_PHY_ID_BCM8002)
12539 tp->phy_flags |= TG3_PHYFLG_PHY_SERDES;
12543 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 ||
12544 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 &&
12545 tp->pci_chip_rev_id != CHIPREV_ID_57765_A0))
12546 tp->phy_flags |= TG3_PHYFLG_EEE_CAP;
12548 if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES) &&
12549 !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) &&
12550 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
12551 u32 bmsr, adv_reg, tg3_ctrl, mask;
12553 tg3_readphy(tp, MII_BMSR, &bmsr);
12554 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
12555 (bmsr & BMSR_LSTATUS))
12556 goto skip_phy_reset;
12558 err = tg3_phy_reset(tp);
12562 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
12563 ADVERTISE_100HALF | ADVERTISE_100FULL |
12564 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
12566 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) {
12567 tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
12568 MII_TG3_CTRL_ADV_1000_FULL);
12569 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
12570 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
12571 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
12572 MII_TG3_CTRL_ENABLE_AS_MASTER);
12575 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
12576 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
12577 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
12578 if (!tg3_copper_is_advertising_all(tp, mask)) {
12579 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12581 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY))
12582 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12584 tg3_writephy(tp, MII_BMCR,
12585 BMCR_ANENABLE | BMCR_ANRESTART);
12587 tg3_phy_set_wirespeed(tp);
12589 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
12590 if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY))
12591 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
12595 if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
12596 err = tg3_init_5401phy_dsp(tp);
12600 err = tg3_init_5401phy_dsp(tp);
12603 if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
12604 tp->link_config.advertising =
12605 (ADVERTISED_1000baseT_Half |
12606 ADVERTISED_1000baseT_Full |
12607 ADVERTISED_Autoneg |
12609 if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY)
12610 tp->link_config.advertising &=
12611 ~(ADVERTISED_1000baseT_Half |
12612 ADVERTISED_1000baseT_Full);
12617 static void __devinit tg3_read_vpd(struct tg3 *tp)
12620 unsigned int block_end, rosize, len;
12624 if ((tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) ||
12625 tg3_nvram_read(tp, 0x0, &magic))
12628 vpd_data = kmalloc(TG3_NVM_VPD_LEN, GFP_KERNEL);
12632 if (magic == TG3_EEPROM_MAGIC) {
12633 for (i = 0; i < TG3_NVM_VPD_LEN; i += 4) {
12636 /* The data is in little-endian format in NVRAM.
12637 * Use the big-endian read routines to preserve
12638 * the byte order as it exists in NVRAM.
12640 if (tg3_nvram_read_be32(tp, TG3_NVM_VPD_OFF + i, &tmp))
12641 goto out_not_found;
12643 memcpy(&vpd_data[i], &tmp, sizeof(tmp));
12647 unsigned int pos = 0;
12649 for (; pos < TG3_NVM_VPD_LEN && i < 3; i++, pos += cnt) {
12650 cnt = pci_read_vpd(tp->pdev, pos,
12651 TG3_NVM_VPD_LEN - pos,
12653 if (cnt == -ETIMEDOUT || -EINTR)
12656 goto out_not_found;
12658 if (pos != TG3_NVM_VPD_LEN)
12659 goto out_not_found;
12662 i = pci_vpd_find_tag(vpd_data, 0, TG3_NVM_VPD_LEN,
12663 PCI_VPD_LRDT_RO_DATA);
12665 goto out_not_found;
12667 rosize = pci_vpd_lrdt_size(&vpd_data[i]);
12668 block_end = i + PCI_VPD_LRDT_TAG_SIZE + rosize;
12669 i += PCI_VPD_LRDT_TAG_SIZE;
12671 if (block_end > TG3_NVM_VPD_LEN)
12672 goto out_not_found;
12674 j = pci_vpd_find_info_keyword(vpd_data, i, rosize,
12675 PCI_VPD_RO_KEYWORD_MFR_ID);
12677 len = pci_vpd_info_field_size(&vpd_data[j]);
12679 j += PCI_VPD_INFO_FLD_HDR_SIZE;
12680 if (j + len > block_end || len != 4 ||
12681 memcmp(&vpd_data[j], "1028", 4))
12684 j = pci_vpd_find_info_keyword(vpd_data, i, rosize,
12685 PCI_VPD_RO_KEYWORD_VENDOR0);
12689 len = pci_vpd_info_field_size(&vpd_data[j]);
12691 j += PCI_VPD_INFO_FLD_HDR_SIZE;
12692 if (j + len > block_end)
12695 memcpy(tp->fw_ver, &vpd_data[j], len);
12696 strncat(tp->fw_ver, " bc ", TG3_NVM_VPD_LEN - len - 1);
12700 i = pci_vpd_find_info_keyword(vpd_data, i, rosize,
12701 PCI_VPD_RO_KEYWORD_PARTNO);
12703 goto out_not_found;
12705 len = pci_vpd_info_field_size(&vpd_data[i]);
12707 i += PCI_VPD_INFO_FLD_HDR_SIZE;
12708 if (len > TG3_BPN_SIZE ||
12709 (len + i) > TG3_NVM_VPD_LEN)
12710 goto out_not_found;
12712 memcpy(tp->board_part_number, &vpd_data[i], len);
12716 if (tp->board_part_number[0])
12720 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
12721 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717)
12722 strcpy(tp->board_part_number, "BCM5717");
12723 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718)
12724 strcpy(tp->board_part_number, "BCM5718");
12727 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
12728 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57780)
12729 strcpy(tp->board_part_number, "BCM57780");
12730 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57760)
12731 strcpy(tp->board_part_number, "BCM57760");
12732 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790)
12733 strcpy(tp->board_part_number, "BCM57790");
12734 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57788)
12735 strcpy(tp->board_part_number, "BCM57788");
12738 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) {
12739 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761)
12740 strcpy(tp->board_part_number, "BCM57761");
12741 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765)
12742 strcpy(tp->board_part_number, "BCM57765");
12743 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781)
12744 strcpy(tp->board_part_number, "BCM57781");
12745 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785)
12746 strcpy(tp->board_part_number, "BCM57785");
12747 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791)
12748 strcpy(tp->board_part_number, "BCM57791");
12749 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795)
12750 strcpy(tp->board_part_number, "BCM57795");
12753 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
12754 strcpy(tp->board_part_number, "BCM95906");
12757 strcpy(tp->board_part_number, "none");
12761 static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
12765 if (tg3_nvram_read(tp, offset, &val) ||
12766 (val & 0xfc000000) != 0x0c000000 ||
12767 tg3_nvram_read(tp, offset + 4, &val) ||
12774 static void __devinit tg3_read_bc_ver(struct tg3 *tp)
12776 u32 val, offset, start, ver_offset;
12778 bool newver = false;
12780 if (tg3_nvram_read(tp, 0xc, &offset) ||
12781 tg3_nvram_read(tp, 0x4, &start))
12784 offset = tg3_nvram_logical_addr(tp, offset);
12786 if (tg3_nvram_read(tp, offset, &val))
12789 if ((val & 0xfc000000) == 0x0c000000) {
12790 if (tg3_nvram_read(tp, offset + 4, &val))
12797 dst_off = strlen(tp->fw_ver);
12800 if (TG3_VER_SIZE - dst_off < 16 ||
12801 tg3_nvram_read(tp, offset + 8, &ver_offset))
12804 offset = offset + ver_offset - start;
12805 for (i = 0; i < 16; i += 4) {
12807 if (tg3_nvram_read_be32(tp, offset + i, &v))
12810 memcpy(tp->fw_ver + dst_off + i, &v, sizeof(v));
12815 if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset))
12818 major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >>
12819 TG3_NVM_BCVER_MAJSFT;
12820 minor = ver_offset & TG3_NVM_BCVER_MINMSK;
12821 snprintf(&tp->fw_ver[dst_off], TG3_VER_SIZE - dst_off,
12822 "v%d.%02d", major, minor);
12826 static void __devinit tg3_read_hwsb_ver(struct tg3 *tp)
12828 u32 val, major, minor;
12830 /* Use native endian representation */
12831 if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
12834 major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
12835 TG3_NVM_HWSB_CFG1_MAJSFT;
12836 minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
12837 TG3_NVM_HWSB_CFG1_MINSFT;
12839 snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
12842 static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
12844 u32 offset, major, minor, build;
12846 strncat(tp->fw_ver, "sb", TG3_VER_SIZE - strlen(tp->fw_ver) - 1);
12848 if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1)
12851 switch (val & TG3_EEPROM_SB_REVISION_MASK) {
12852 case TG3_EEPROM_SB_REVISION_0:
12853 offset = TG3_EEPROM_SB_F1R0_EDH_OFF;
12855 case TG3_EEPROM_SB_REVISION_2:
12856 offset = TG3_EEPROM_SB_F1R2_EDH_OFF;
12858 case TG3_EEPROM_SB_REVISION_3:
12859 offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
12861 case TG3_EEPROM_SB_REVISION_4:
12862 offset = TG3_EEPROM_SB_F1R4_EDH_OFF;
12864 case TG3_EEPROM_SB_REVISION_5:
12865 offset = TG3_EEPROM_SB_F1R5_EDH_OFF;
12867 case TG3_EEPROM_SB_REVISION_6:
12868 offset = TG3_EEPROM_SB_F1R6_EDH_OFF;
12874 if (tg3_nvram_read(tp, offset, &val))
12877 build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >>
12878 TG3_EEPROM_SB_EDH_BLD_SHFT;
12879 major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >>
12880 TG3_EEPROM_SB_EDH_MAJ_SHFT;
12881 minor = val & TG3_EEPROM_SB_EDH_MIN_MASK;
12883 if (minor > 99 || build > 26)
12886 offset = strlen(tp->fw_ver);
12887 snprintf(&tp->fw_ver[offset], TG3_VER_SIZE - offset,
12888 " v%d.%02d", major, minor);
12891 offset = strlen(tp->fw_ver);
12892 if (offset < TG3_VER_SIZE - 1)
12893 tp->fw_ver[offset] = 'a' + build - 1;
12897 static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp)
12899 u32 val, offset, start;
12902 for (offset = TG3_NVM_DIR_START;
12903 offset < TG3_NVM_DIR_END;
12904 offset += TG3_NVM_DIRENT_SIZE) {
12905 if (tg3_nvram_read(tp, offset, &val))
12908 if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
12912 if (offset == TG3_NVM_DIR_END)
12915 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
12916 start = 0x08000000;
12917 else if (tg3_nvram_read(tp, offset - 4, &start))
12920 if (tg3_nvram_read(tp, offset + 4, &offset) ||
12921 !tg3_fw_img_is_valid(tp, offset) ||
12922 tg3_nvram_read(tp, offset + 8, &val))
12925 offset += val - start;
12927 vlen = strlen(tp->fw_ver);
12929 tp->fw_ver[vlen++] = ',';
12930 tp->fw_ver[vlen++] = ' ';
12932 for (i = 0; i < 4; i++) {
12934 if (tg3_nvram_read_be32(tp, offset, &v))
12937 offset += sizeof(v);
12939 if (vlen > TG3_VER_SIZE - sizeof(v)) {
12940 memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen);
12944 memcpy(&tp->fw_ver[vlen], &v, sizeof(v));
12949 static void __devinit tg3_read_dash_ver(struct tg3 *tp)
12955 if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) ||
12956 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
12959 apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
12960 if (apedata != APE_SEG_SIG_MAGIC)
12963 apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
12964 if (!(apedata & APE_FW_STATUS_READY))
12967 apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
12969 if (tg3_ape_read32(tp, TG3_APE_FW_FEATURES) & TG3_APE_FW_FEATURE_NCSI) {
12970 tp->tg3_flags3 |= TG3_FLG3_APE_HAS_NCSI;
12976 vlen = strlen(tp->fw_ver);
12978 snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " %s v%d.%d.%d.%d",
12980 (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
12981 (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
12982 (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,
12983 (apedata & APE_FW_VERSION_BLDMSK));
12986 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
12989 bool vpd_vers = false;
12991 if (tp->fw_ver[0] != 0)
12994 if (tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) {
12995 strcat(tp->fw_ver, "sb");
12999 if (tg3_nvram_read(tp, 0, &val))
13002 if (val == TG3_EEPROM_MAGIC)
13003 tg3_read_bc_ver(tp);
13004 else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
13005 tg3_read_sb_ver(tp, val);
13006 else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
13007 tg3_read_hwsb_ver(tp);
13011 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
13012 (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) || vpd_vers)
13015 tg3_read_mgmtfw_ver(tp);
13018 tp->fw_ver[TG3_VER_SIZE - 1] = 0;
13021 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
13023 static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
13025 #if TG3_VLAN_TAG_USED
13026 dev->vlan_features |= flags;
13030 static inline u32 tg3_rx_ret_ring_size(struct tg3 *tp)
13032 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13033 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
13035 else if ((tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) &&
13036 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
13042 static int __devinit tg3_get_invariants(struct tg3 *tp)
13044 static struct pci_device_id write_reorder_chipsets[] = {
13045 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
13046 PCI_DEVICE_ID_AMD_FE_GATE_700C) },
13047 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
13048 PCI_DEVICE_ID_AMD_8131_BRIDGE) },
13049 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
13050 PCI_DEVICE_ID_VIA_8385_0) },
13054 u32 pci_state_reg, grc_misc_cfg;
13059 /* Force memory write invalidate off. If we leave it on,
13060 * then on 5700_BX chips we have to enable a workaround.
13061 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
13062 * to match the cacheline size. The Broadcom driver have this
13063 * workaround but turns MWI off all the times so never uses
13064 * it. This seems to suggest that the workaround is insufficient.
13066 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
13067 pci_cmd &= ~PCI_COMMAND_INVALIDATE;
13068 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
13070 /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
13071 * has the register indirect write enable bit set before
13072 * we try to access any of the MMIO registers. It is also
13073 * critical that the PCI-X hw workaround situation is decided
13074 * before that as well.
13076 pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
13079 tp->pci_chip_rev_id = (misc_ctrl_reg >>
13080 MISC_HOST_CTRL_CHIPREV_SHIFT);
13081 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
13082 u32 prod_id_asic_rev;
13084 if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
13085 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 ||
13086 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5719)
13087 pci_read_config_dword(tp->pdev,
13088 TG3PCI_GEN2_PRODID_ASICREV,
13089 &prod_id_asic_rev);
13090 else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781 ||
13091 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785 ||
13092 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761 ||
13093 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765 ||
13094 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
13095 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795)
13096 pci_read_config_dword(tp->pdev,
13097 TG3PCI_GEN15_PRODID_ASICREV,
13098 &prod_id_asic_rev);
13100 pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
13101 &prod_id_asic_rev);
13103 tp->pci_chip_rev_id = prod_id_asic_rev;
13106 /* Wrong chip ID in 5752 A0. This code can be removed later
13107 * as A0 is not in production.
13109 if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
13110 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
13112 /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
13113 * we need to disable memory and use config. cycles
13114 * only to access all registers. The 5702/03 chips
13115 * can mistakenly decode the special cycles from the
13116 * ICH chipsets as memory write cycles, causing corruption
13117 * of register and memory space. Only certain ICH bridges
13118 * will drive special cycles with non-zero data during the
13119 * address phase which can fall within the 5703's address
13120 * range. This is not an ICH bug as the PCI spec allows
13121 * non-zero address during special cycles. However, only
13122 * these ICH bridges are known to drive non-zero addresses
13123 * during special cycles.
13125 * Since special cycles do not cross PCI bridges, we only
13126 * enable this workaround if the 5703 is on the secondary
13127 * bus of these ICH bridges.
13129 if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
13130 (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
13131 static struct tg3_dev_id {
13135 } ich_chipsets[] = {
13136 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
13138 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
13140 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
13142 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
13146 struct tg3_dev_id *pci_id = &ich_chipsets[0];
13147 struct pci_dev *bridge = NULL;
13149 while (pci_id->vendor != 0) {
13150 bridge = pci_get_device(pci_id->vendor, pci_id->device,
13156 if (pci_id->rev != PCI_ANY_ID) {
13157 if (bridge->revision > pci_id->rev)
13160 if (bridge->subordinate &&
13161 (bridge->subordinate->number ==
13162 tp->pdev->bus->number)) {
13164 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
13165 pci_dev_put(bridge);
13171 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
13172 static struct tg3_dev_id {
13175 } bridge_chipsets[] = {
13176 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 },
13177 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 },
13180 struct tg3_dev_id *pci_id = &bridge_chipsets[0];
13181 struct pci_dev *bridge = NULL;
13183 while (pci_id->vendor != 0) {
13184 bridge = pci_get_device(pci_id->vendor,
13191 if (bridge->subordinate &&
13192 (bridge->subordinate->number <=
13193 tp->pdev->bus->number) &&
13194 (bridge->subordinate->subordinate >=
13195 tp->pdev->bus->number)) {
13196 tp->tg3_flags3 |= TG3_FLG3_5701_DMA_BUG;
13197 pci_dev_put(bridge);
13203 /* The EPB bridge inside 5714, 5715, and 5780 cannot support
13204 * DMA addresses > 40-bit. This bridge may have other additional
13205 * 57xx devices behind it in some 4-port NIC designs for example.
13206 * Any tg3 device found behind the bridge will also need the 40-bit
13209 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
13210 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
13211 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
13212 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
13213 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
13215 struct pci_dev *bridge = NULL;
13218 bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
13219 PCI_DEVICE_ID_SERVERWORKS_EPB,
13221 if (bridge && bridge->subordinate &&
13222 (bridge->subordinate->number <=
13223 tp->pdev->bus->number) &&
13224 (bridge->subordinate->subordinate >=
13225 tp->pdev->bus->number)) {
13226 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
13227 pci_dev_put(bridge);
13233 /* Initialize misc host control in PCI block. */
13234 tp->misc_host_ctrl |= (misc_ctrl_reg &
13235 MISC_HOST_CTRL_CHIPREV);
13236 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
13237 tp->misc_host_ctrl);
13239 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
13240 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 ||
13241 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
13242 tp->pdev_peer = tg3_find_peer(tp);
13244 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13245 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 ||
13246 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13247 tp->tg3_flags3 |= TG3_FLG3_5717_PLUS;
13249 /* Intentionally exclude ASIC_REV_5906 */
13250 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13251 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
13252 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13253 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13254 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13255 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13256 (tp->tg3_flags3 & TG3_FLG3_5717_PLUS))
13257 tp->tg3_flags3 |= TG3_FLG3_5755_PLUS;
13259 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
13260 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
13261 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
13262 (tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13263 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
13264 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
13266 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
13267 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
13268 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
13270 /* 5700 B0 chips do not support checksumming correctly due
13271 * to hardware bugs.
13273 if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
13274 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
13276 unsigned long features = NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_GRO;
13278 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
13279 if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
13280 features |= NETIF_F_IPV6_CSUM;
13281 tp->dev->features |= features;
13282 vlan_features_add(tp->dev, features);
13285 /* Determine TSO capabilities */
13286 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS)
13287 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_3;
13288 else if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13289 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13290 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
13291 else if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
13292 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
13293 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 &&
13294 tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
13295 tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
13296 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13297 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
13298 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) {
13299 tp->tg3_flags2 |= TG3_FLG2_TSO_BUG;
13300 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
13301 tp->fw_needed = FIRMWARE_TG3TSO5;
13303 tp->fw_needed = FIRMWARE_TG3TSO;
13308 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
13309 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
13310 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
13311 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
13312 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
13313 tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
13314 tp->pdev_peer == tp->pdev))
13315 tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
13317 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
13318 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
13319 tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
13322 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS) {
13323 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSIX;
13324 tp->irq_max = TG3_IRQ_MAX_VECS;
13328 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13329 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 ||
13330 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13331 tp->tg3_flags3 |= TG3_FLG3_SHORT_DMA_BUG;
13332 else if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) {
13333 tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG;
13334 tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
13337 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS)
13338 tp->tg3_flags3 |= TG3_FLG3_USE_JUMBO_BDFLAG;
13340 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
13341 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
13342 (tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG))
13343 tp->tg3_flags |= TG3_FLAG_JUMBO_CAPABLE;
13345 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13348 tp->pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
13349 if (tp->pcie_cap != 0) {
13352 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
13354 pcie_set_readrq(tp->pdev, 4096);
13356 pci_read_config_word(tp->pdev,
13357 tp->pcie_cap + PCI_EXP_LNKCTL,
13359 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) {
13360 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13361 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
13362 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13363 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13364 tp->pci_chip_rev_id == CHIPREV_ID_57780_A0 ||
13365 tp->pci_chip_rev_id == CHIPREV_ID_57780_A1)
13366 tp->tg3_flags3 |= TG3_FLG3_CLKREQ_BUG;
13367 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5717_A0) {
13368 tp->tg3_flags3 |= TG3_FLG3_L1PLLPD_EN;
13370 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) {
13371 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
13372 } else if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
13373 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
13374 tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX);
13375 if (!tp->pcix_cap) {
13376 dev_err(&tp->pdev->dev,
13377 "Cannot find PCI-X capability, aborting\n");
13381 if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE))
13382 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
13385 /* If we have an AMD 762 or VIA K8T800 chipset, write
13386 * reordering to the mailbox registers done by the host
13387 * controller can cause major troubles. We read back from
13388 * every mailbox register write to force the writes to be
13389 * posted to the chip in order.
13391 if (pci_dev_present(write_reorder_chipsets) &&
13392 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13393 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
13395 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
13396 &tp->pci_cacheline_sz);
13397 pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER,
13398 &tp->pci_lat_timer);
13399 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13400 tp->pci_lat_timer < 64) {
13401 tp->pci_lat_timer = 64;
13402 pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER,
13403 tp->pci_lat_timer);
13406 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
13407 /* 5700 BX chips need to have their TX producer index
13408 * mailboxes written twice to workaround a bug.
13410 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
13412 /* If we are in PCI-X mode, enable register write workaround.
13414 * The workaround is to use indirect register accesses
13415 * for all chip writes not to mailbox registers.
13417 if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
13420 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13422 /* The chip can have it's power management PCI config
13423 * space registers clobbered due to this bug.
13424 * So explicitly force the chip into D0 here.
13426 pci_read_config_dword(tp->pdev,
13427 tp->pm_cap + PCI_PM_CTRL,
13429 pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
13430 pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
13431 pci_write_config_dword(tp->pdev,
13432 tp->pm_cap + PCI_PM_CTRL,
13435 /* Also, force SERR#/PERR# in PCI command. */
13436 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
13437 pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
13438 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
13442 if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
13443 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
13444 if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
13445 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
13447 /* Chip-specific fixup from Broadcom driver */
13448 if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
13449 (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
13450 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
13451 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
13454 /* Default fast path register access methods */
13455 tp->read32 = tg3_read32;
13456 tp->write32 = tg3_write32;
13457 tp->read32_mbox = tg3_read32;
13458 tp->write32_mbox = tg3_write32;
13459 tp->write32_tx_mbox = tg3_write32;
13460 tp->write32_rx_mbox = tg3_write32;
13462 /* Various workaround register access methods */
13463 if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
13464 tp->write32 = tg3_write_indirect_reg32;
13465 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
13466 ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
13467 tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
13469 * Back to back register writes can cause problems on these
13470 * chips, the workaround is to read back all reg writes
13471 * except those to mailbox regs.
13473 * See tg3_write_indirect_reg32().
13475 tp->write32 = tg3_write_flush_reg32;
13478 if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
13479 (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
13480 tp->write32_tx_mbox = tg3_write32_tx_mbox;
13481 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
13482 tp->write32_rx_mbox = tg3_write_flush_reg32;
13485 if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
13486 tp->read32 = tg3_read_indirect_reg32;
13487 tp->write32 = tg3_write_indirect_reg32;
13488 tp->read32_mbox = tg3_read_indirect_mbox;
13489 tp->write32_mbox = tg3_write_indirect_mbox;
13490 tp->write32_tx_mbox = tg3_write_indirect_mbox;
13491 tp->write32_rx_mbox = tg3_write_indirect_mbox;
13496 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
13497 pci_cmd &= ~PCI_COMMAND_MEMORY;
13498 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
13500 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
13501 tp->read32_mbox = tg3_read32_mbox_5906;
13502 tp->write32_mbox = tg3_write32_mbox_5906;
13503 tp->write32_tx_mbox = tg3_write32_mbox_5906;
13504 tp->write32_rx_mbox = tg3_write32_mbox_5906;
13507 if (tp->write32 == tg3_write_indirect_reg32 ||
13508 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13509 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13510 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
13511 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
13513 /* Get eeprom hw config before calling tg3_set_power_state().
13514 * In particular, the TG3_FLG2_IS_NIC flag must be
13515 * determined before calling tg3_set_power_state() so that
13516 * we know whether or not to switch out of Vaux power.
13517 * When the flag is set, it means that GPIO1 is used for eeprom
13518 * write protect and also implies that it is a LOM where GPIOs
13519 * are not used to switch power.
13521 tg3_get_eeprom_hw_cfg(tp);
13523 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
13524 /* Allow reads and writes to the
13525 * APE register and memory space.
13527 pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR |
13528 PCISTATE_ALLOW_APE_SHMEM_WR |
13529 PCISTATE_ALLOW_APE_PSPACE_WR;
13530 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
13534 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13535 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
13536 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13537 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13538 (tp->tg3_flags3 & TG3_FLG3_5717_PLUS))
13539 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
13541 /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
13542 * GPIO1 driven high will bring 5700's external PHY out of reset.
13543 * It is also used as eeprom write protect on LOMs.
13545 tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
13546 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
13547 (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
13548 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
13549 GRC_LCLCTRL_GPIO_OUTPUT1);
13550 /* Unused GPIO3 must be driven as output on 5752 because there
13551 * are no pull-up resistors on unused GPIO pins.
13553 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
13554 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
13556 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13557 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
13558 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
13559 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13561 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
13562 tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) {
13563 /* Turn off the debug UART. */
13564 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
13565 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
13566 /* Keep VMain power. */
13567 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
13568 GRC_LCLCTRL_GPIO_OUTPUT0;
13571 /* Force the chip into D0. */
13572 err = tg3_set_power_state(tp, PCI_D0);
13574 dev_err(&tp->pdev->dev, "Transition to D0 failed\n");
13578 /* Derive initial jumbo mode from MTU assigned in
13579 * ether_setup() via the alloc_etherdev() call
13581 if (tp->dev->mtu > ETH_DATA_LEN &&
13582 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
13583 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
13585 /* Determine WakeOnLan speed to use. */
13586 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
13587 tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
13588 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
13589 tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
13590 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
13592 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
13595 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13596 tp->phy_flags |= TG3_PHYFLG_IS_FET;
13598 /* A few boards don't want Ethernet@WireSpeed phy feature */
13599 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
13600 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
13601 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
13602 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
13603 (tp->phy_flags & TG3_PHYFLG_IS_FET) ||
13604 (tp->phy_flags & TG3_PHYFLG_ANY_SERDES))
13605 tp->phy_flags |= TG3_PHYFLG_NO_ETH_WIRE_SPEED;
13607 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
13608 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
13609 tp->phy_flags |= TG3_PHYFLG_ADC_BUG;
13610 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
13611 tp->phy_flags |= TG3_PHYFLG_5704_A0_BUG;
13613 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
13614 !(tp->phy_flags & TG3_PHYFLG_IS_FET) &&
13615 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
13616 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57780 &&
13617 !(tp->tg3_flags3 & TG3_FLG3_5717_PLUS)) {
13618 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
13619 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
13620 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
13621 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
13622 if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
13623 tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
13624 tp->phy_flags |= TG3_PHYFLG_JITTER_BUG;
13625 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
13626 tp->phy_flags |= TG3_PHYFLG_ADJUST_TRIM;
13628 tp->phy_flags |= TG3_PHYFLG_BER_BUG;
13631 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
13632 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) {
13633 tp->phy_otp = tg3_read_otp_phycfg(tp);
13634 if (tp->phy_otp == 0)
13635 tp->phy_otp = TG3_OTP_DEFAULT;
13638 if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)
13639 tp->mi_mode = MAC_MI_MODE_500KHZ_CONST;
13641 tp->mi_mode = MAC_MI_MODE_BASE;
13643 tp->coalesce_mode = 0;
13644 if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
13645 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
13646 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
13648 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
13649 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
13650 tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
13652 err = tg3_mdio_init(tp);
13656 /* Initialize data/descriptor byte/word swapping. */
13657 val = tr32(GRC_MODE);
13658 val &= GRC_MODE_HOST_STACKUP;
13659 tw32(GRC_MODE, val | tp->grc_mode);
13661 tg3_switch_clocks(tp);
13663 /* Clear this out for sanity. */
13664 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
13666 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
13668 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
13669 (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
13670 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
13672 if (chiprevid == CHIPREV_ID_5701_A0 ||
13673 chiprevid == CHIPREV_ID_5701_B0 ||
13674 chiprevid == CHIPREV_ID_5701_B2 ||
13675 chiprevid == CHIPREV_ID_5701_B5) {
13676 void __iomem *sram_base;
13678 /* Write some dummy words into the SRAM status block
13679 * area, see if it reads back correctly. If the return
13680 * value is bad, force enable the PCIX workaround.
13682 sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
13684 writel(0x00000000, sram_base);
13685 writel(0x00000000, sram_base + 4);
13686 writel(0xffffffff, sram_base + 4);
13687 if (readl(sram_base) != 0x00000000)
13688 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
13693 tg3_nvram_init(tp);
13695 grc_misc_cfg = tr32(GRC_MISC_CFG);
13696 grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
13698 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13699 (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
13700 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
13701 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
13703 if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
13704 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
13705 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
13706 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
13707 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
13708 HOSTCC_MODE_CLRTICK_TXBD);
13710 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
13711 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
13712 tp->misc_host_ctrl);
13715 /* Preserve the APE MAC_MODE bits */
13716 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)
13717 tp->mac_mode = tr32(MAC_MODE) |
13718 MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN;
13720 tp->mac_mode = TG3_DEF_MAC_MODE;
13722 /* these are limited to 10/100 only */
13723 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
13724 (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
13725 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
13726 tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13727 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
13728 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
13729 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
13730 (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
13731 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
13732 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
13733 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
13734 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790 ||
13735 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 ||
13736 tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795 ||
13737 (tp->phy_flags & TG3_PHYFLG_IS_FET))
13738 tp->phy_flags |= TG3_PHYFLG_10_100_ONLY;
13740 err = tg3_phy_probe(tp);
13742 dev_err(&tp->pdev->dev, "phy probe failed, err %d\n", err);
13743 /* ... but do not return immediately ... */
13748 tg3_read_fw_ver(tp);
13750 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) {
13751 tp->phy_flags &= ~TG3_PHYFLG_USE_MI_INTERRUPT;
13753 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13754 tp->phy_flags |= TG3_PHYFLG_USE_MI_INTERRUPT;
13756 tp->phy_flags &= ~TG3_PHYFLG_USE_MI_INTERRUPT;
13759 /* 5700 {AX,BX} chips have a broken status block link
13760 * change bit implementation, so we must use the
13761 * status register in those cases.
13763 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
13764 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
13766 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
13768 /* The led_ctrl is set during tg3_phy_probe, here we might
13769 * have to force the link status polling mechanism based
13770 * upon subsystem IDs.
13772 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
13773 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13774 !(tp->phy_flags & TG3_PHYFLG_PHY_SERDES)) {
13775 tp->phy_flags |= TG3_PHYFLG_USE_MI_INTERRUPT;
13776 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
13779 /* For all SERDES we poll the MAC status register. */
13780 if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)
13781 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
13783 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
13785 tp->rx_offset = NET_IP_ALIGN + TG3_RX_HEADROOM;
13786 tp->rx_copy_thresh = TG3_RX_COPY_THRESHOLD;
13787 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
13788 (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
13789 tp->rx_offset -= NET_IP_ALIGN;
13790 #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
13791 tp->rx_copy_thresh = ~(u16)0;
13795 tp->rx_std_ring_mask = TG3_RX_STD_RING_SIZE(tp) - 1;
13796 tp->rx_jmb_ring_mask = TG3_RX_JMB_RING_SIZE(tp) - 1;
13797 tp->rx_ret_ring_mask = tg3_rx_ret_ring_size(tp) - 1;
13799 tp->rx_std_max_post = tp->rx_std_ring_mask + 1;
13801 /* Increment the rx prod index on the rx std ring by at most
13802 * 8 for these chips to workaround hw errata.
13804 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
13805 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
13806 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
13807 tp->rx_std_max_post = 8;
13809 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
13810 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
13811 PCIE_PWR_MGMT_L1_THRESH_MSK;
13816 #ifdef CONFIG_SPARC
13817 static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
13819 struct net_device *dev = tp->dev;
13820 struct pci_dev *pdev = tp->pdev;
13821 struct device_node *dp = pci_device_to_OF_node(pdev);
13822 const unsigned char *addr;
13825 addr = of_get_property(dp, "local-mac-address", &len);
13826 if (addr && len == 6) {
13827 memcpy(dev->dev_addr, addr, 6);
13828 memcpy(dev->perm_addr, dev->dev_addr, 6);
13834 static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
13836 struct net_device *dev = tp->dev;
13838 memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
13839 memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
13844 static int __devinit tg3_get_device_address(struct tg3 *tp)
13846 struct net_device *dev = tp->dev;
13847 u32 hi, lo, mac_offset;
13850 #ifdef CONFIG_SPARC
13851 if (!tg3_get_macaddr_sparc(tp))
13856 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
13857 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
13858 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
13860 if (tg3_nvram_lock(tp))
13861 tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
13863 tg3_nvram_unlock(tp);
13864 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
13865 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) {
13866 if (PCI_FUNC(tp->pdev->devfn) & 1)
13868 if (PCI_FUNC(tp->pdev->devfn) > 1)
13869 mac_offset += 0x18c;
13870 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
13873 /* First try to get it from MAC address mailbox. */
13874 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
13875 if ((hi >> 16) == 0x484b) {
13876 dev->dev_addr[0] = (hi >> 8) & 0xff;
13877 dev->dev_addr[1] = (hi >> 0) & 0xff;
13879 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
13880 dev->dev_addr[2] = (lo >> 24) & 0xff;
13881 dev->dev_addr[3] = (lo >> 16) & 0xff;
13882 dev->dev_addr[4] = (lo >> 8) & 0xff;
13883 dev->dev_addr[5] = (lo >> 0) & 0xff;
13885 /* Some old bootcode may report a 0 MAC address in SRAM */
13886 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
13889 /* Next, try NVRAM. */
13890 if (!(tp->tg3_flags3 & TG3_FLG3_NO_NVRAM) &&
13891 !tg3_nvram_read_be32(tp, mac_offset + 0, &hi) &&
13892 !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) {
13893 memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2);
13894 memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo));
13896 /* Finally just fetch it out of the MAC control regs. */
13898 hi = tr32(MAC_ADDR_0_HIGH);
13899 lo = tr32(MAC_ADDR_0_LOW);
13901 dev->dev_addr[5] = lo & 0xff;
13902 dev->dev_addr[4] = (lo >> 8) & 0xff;
13903 dev->dev_addr[3] = (lo >> 16) & 0xff;
13904 dev->dev_addr[2] = (lo >> 24) & 0xff;
13905 dev->dev_addr[1] = hi & 0xff;
13906 dev->dev_addr[0] = (hi >> 8) & 0xff;
13910 if (!is_valid_ether_addr(&dev->dev_addr[0])) {
13911 #ifdef CONFIG_SPARC
13912 if (!tg3_get_default_macaddr_sparc(tp))
13917 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
13921 #define BOUNDARY_SINGLE_CACHELINE 1
13922 #define BOUNDARY_MULTI_CACHELINE 2
13924 static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
13926 int cacheline_size;
13930 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
13932 cacheline_size = 1024;
13934 cacheline_size = (int) byte * 4;
13936 /* On 5703 and later chips, the boundary bits have no
13939 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
13940 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
13941 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
13944 #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
13945 goal = BOUNDARY_MULTI_CACHELINE;
13947 #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
13948 goal = BOUNDARY_SINGLE_CACHELINE;
13954 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS) {
13955 val = goal ? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
13962 /* PCI controllers on most RISC systems tend to disconnect
13963 * when a device tries to burst across a cache-line boundary.
13964 * Therefore, letting tg3 do so just wastes PCI bandwidth.
13966 * Unfortunately, for PCI-E there are only limited
13967 * write-side controls for this, and thus for reads
13968 * we will still get the disconnects. We'll also waste
13969 * these PCI cycles for both read and write for chips
13970 * other than 5700 and 5701 which do not implement the
13973 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
13974 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
13975 switch (cacheline_size) {
13980 if (goal == BOUNDARY_SINGLE_CACHELINE) {
13981 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
13982 DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
13984 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13985 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13990 val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
13991 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
13995 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
13996 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
13999 } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
14000 switch (cacheline_size) {
14004 if (goal == BOUNDARY_SINGLE_CACHELINE) {
14005 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
14006 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
14012 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
14013 val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
14017 switch (cacheline_size) {
14019 if (goal == BOUNDARY_SINGLE_CACHELINE) {
14020 val |= (DMA_RWCTRL_READ_BNDRY_16 |
14021 DMA_RWCTRL_WRITE_BNDRY_16);
14026 if (goal == BOUNDARY_SINGLE_CACHELINE) {
14027 val |= (DMA_RWCTRL_READ_BNDRY_32 |
14028 DMA_RWCTRL_WRITE_BNDRY_32);
14033 if (goal == BOUNDARY_SINGLE_CACHELINE) {
14034 val |= (DMA_RWCTRL_READ_BNDRY_64 |
14035 DMA_RWCTRL_WRITE_BNDRY_64);
14040 if (goal == BOUNDARY_SINGLE_CACHELINE) {
14041 val |= (DMA_RWCTRL_READ_BNDRY_128 |
14042 DMA_RWCTRL_WRITE_BNDRY_128);
14047 val |= (DMA_RWCTRL_READ_BNDRY_256 |
14048 DMA_RWCTRL_WRITE_BNDRY_256);
14051 val |= (DMA_RWCTRL_READ_BNDRY_512 |
14052 DMA_RWCTRL_WRITE_BNDRY_512);
14056 val |= (DMA_RWCTRL_READ_BNDRY_1024 |
14057 DMA_RWCTRL_WRITE_BNDRY_1024);
14066 static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
14068 struct tg3_internal_buffer_desc test_desc;
14069 u32 sram_dma_descs;
14072 sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
14074 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
14075 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
14076 tw32(RDMAC_STATUS, 0);
14077 tw32(WDMAC_STATUS, 0);
14079 tw32(BUFMGR_MODE, 0);
14080 tw32(FTQ_RESET, 0);
14082 test_desc.addr_hi = ((u64) buf_dma) >> 32;
14083 test_desc.addr_lo = buf_dma & 0xffffffff;
14084 test_desc.nic_mbuf = 0x00002100;
14085 test_desc.len = size;
14088 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
14089 * the *second* time the tg3 driver was getting loaded after an
14092 * Broadcom tells me:
14093 * ...the DMA engine is connected to the GRC block and a DMA
14094 * reset may affect the GRC block in some unpredictable way...
14095 * The behavior of resets to individual blocks has not been tested.
14097 * Broadcom noted the GRC reset will also reset all sub-components.
14100 test_desc.cqid_sqid = (13 << 8) | 2;
14102 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
14105 test_desc.cqid_sqid = (16 << 8) | 7;
14107 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
14110 test_desc.flags = 0x00000005;
14112 for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
14115 val = *(((u32 *)&test_desc) + i);
14116 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
14117 sram_dma_descs + (i * sizeof(u32)));
14118 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
14120 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
14123 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
14125 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
14128 for (i = 0; i < 40; i++) {
14132 val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
14134 val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
14135 if ((val & 0xffff) == sram_dma_descs) {
14146 #define TEST_BUFFER_SIZE 0x2000
14148 static int __devinit tg3_test_dma(struct tg3 *tp)
14150 dma_addr_t buf_dma;
14151 u32 *buf, saved_dma_rwctrl;
14154 buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
14160 tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
14161 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
14163 tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
14165 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS)
14168 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
14169 /* DMA read watermark not used on PCIE */
14170 tp->dma_rwctrl |= 0x00180000;
14171 } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
14172 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
14173 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
14174 tp->dma_rwctrl |= 0x003f0000;
14176 tp->dma_rwctrl |= 0x003f000f;
14178 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
14179 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
14180 u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
14181 u32 read_water = 0x7;
14183 /* If the 5704 is behind the EPB bridge, we can
14184 * do the less restrictive ONE_DMA workaround for
14185 * better performance.
14187 if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
14188 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
14189 tp->dma_rwctrl |= 0x8000;
14190 else if (ccval == 0x6 || ccval == 0x7)
14191 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
14193 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
14195 /* Set bit 23 to enable PCIX hw bug fix */
14197 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
14198 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
14200 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
14201 /* 5780 always in PCIX mode */
14202 tp->dma_rwctrl |= 0x00144000;
14203 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
14204 /* 5714 always in PCIX mode */
14205 tp->dma_rwctrl |= 0x00148000;
14207 tp->dma_rwctrl |= 0x001b000f;
14211 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
14212 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
14213 tp->dma_rwctrl &= 0xfffffff0;
14215 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
14216 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
14217 /* Remove this if it causes problems for some boards. */
14218 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
14220 /* On 5700/5701 chips, we need to set this bit.
14221 * Otherwise the chip will issue cacheline transactions
14222 * to streamable DMA memory with not all the byte
14223 * enables turned on. This is an error on several
14224 * RISC PCI controllers, in particular sparc64.
14226 * On 5703/5704 chips, this bit has been reassigned
14227 * a different meaning. In particular, it is used
14228 * on those chips to enable a PCI-X workaround.
14230 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
14233 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14236 /* Unneeded, already done by tg3_get_invariants. */
14237 tg3_switch_clocks(tp);
14240 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
14241 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
14244 /* It is best to perform DMA test with maximum write burst size
14245 * to expose the 5700/5701 write DMA bug.
14247 saved_dma_rwctrl = tp->dma_rwctrl;
14248 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14249 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14254 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
14257 /* Send the buffer to the chip. */
14258 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
14260 dev_err(&tp->pdev->dev,
14261 "%s: Buffer write failed. err = %d\n",
14267 /* validate data reached card RAM correctly. */
14268 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
14270 tg3_read_mem(tp, 0x2100 + (i*4), &val);
14271 if (le32_to_cpu(val) != p[i]) {
14272 dev_err(&tp->pdev->dev,
14273 "%s: Buffer corrupted on device! "
14274 "(%d != %d)\n", __func__, val, i);
14275 /* ret = -ENODEV here? */
14280 /* Now read it back. */
14281 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
14283 dev_err(&tp->pdev->dev, "%s: Buffer read failed. "
14284 "err = %d\n", __func__, ret);
14289 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
14293 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
14294 DMA_RWCTRL_WRITE_BNDRY_16) {
14295 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14296 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
14297 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14300 dev_err(&tp->pdev->dev,
14301 "%s: Buffer corrupted on read back! "
14302 "(%d != %d)\n", __func__, p[i], i);
14308 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
14314 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
14315 DMA_RWCTRL_WRITE_BNDRY_16) {
14316 static struct pci_device_id dma_wait_state_chipsets[] = {
14317 { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
14318 PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
14322 /* DMA test passed without adjusting DMA boundary,
14323 * now look for chipsets that are known to expose the
14324 * DMA bug without failing the test.
14326 if (pci_dev_present(dma_wait_state_chipsets)) {
14327 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
14328 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
14330 /* Safe to use the calculated DMA boundary. */
14331 tp->dma_rwctrl = saved_dma_rwctrl;
14334 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
14338 pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
14343 static void __devinit tg3_init_link_config(struct tg3 *tp)
14345 tp->link_config.advertising =
14346 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
14347 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
14348 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
14349 ADVERTISED_Autoneg | ADVERTISED_MII);
14350 tp->link_config.speed = SPEED_INVALID;
14351 tp->link_config.duplex = DUPLEX_INVALID;
14352 tp->link_config.autoneg = AUTONEG_ENABLE;
14353 tp->link_config.active_speed = SPEED_INVALID;
14354 tp->link_config.active_duplex = DUPLEX_INVALID;
14355 tp->link_config.orig_speed = SPEED_INVALID;
14356 tp->link_config.orig_duplex = DUPLEX_INVALID;
14357 tp->link_config.orig_autoneg = AUTONEG_INVALID;
14360 static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
14362 if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS) {
14363 tp->bufmgr_config.mbuf_read_dma_low_water =
14364 DEFAULT_MB_RDMA_LOW_WATER_5705;
14365 tp->bufmgr_config.mbuf_mac_rx_low_water =
14366 DEFAULT_MB_MACRX_LOW_WATER_57765;
14367 tp->bufmgr_config.mbuf_high_water =
14368 DEFAULT_MB_HIGH_WATER_57765;
14370 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14371 DEFAULT_MB_RDMA_LOW_WATER_5705;
14372 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14373 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_57765;
14374 tp->bufmgr_config.mbuf_high_water_jumbo =
14375 DEFAULT_MB_HIGH_WATER_JUMBO_57765;
14376 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
14377 tp->bufmgr_config.mbuf_read_dma_low_water =
14378 DEFAULT_MB_RDMA_LOW_WATER_5705;
14379 tp->bufmgr_config.mbuf_mac_rx_low_water =
14380 DEFAULT_MB_MACRX_LOW_WATER_5705;
14381 tp->bufmgr_config.mbuf_high_water =
14382 DEFAULT_MB_HIGH_WATER_5705;
14383 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
14384 tp->bufmgr_config.mbuf_mac_rx_low_water =
14385 DEFAULT_MB_MACRX_LOW_WATER_5906;
14386 tp->bufmgr_config.mbuf_high_water =
14387 DEFAULT_MB_HIGH_WATER_5906;
14390 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14391 DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
14392 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14393 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
14394 tp->bufmgr_config.mbuf_high_water_jumbo =
14395 DEFAULT_MB_HIGH_WATER_JUMBO_5780;
14397 tp->bufmgr_config.mbuf_read_dma_low_water =
14398 DEFAULT_MB_RDMA_LOW_WATER;
14399 tp->bufmgr_config.mbuf_mac_rx_low_water =
14400 DEFAULT_MB_MACRX_LOW_WATER;
14401 tp->bufmgr_config.mbuf_high_water =
14402 DEFAULT_MB_HIGH_WATER;
14404 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
14405 DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
14406 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
14407 DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
14408 tp->bufmgr_config.mbuf_high_water_jumbo =
14409 DEFAULT_MB_HIGH_WATER_JUMBO;
14412 tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
14413 tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
14416 static char * __devinit tg3_phy_string(struct tg3 *tp)
14418 switch (tp->phy_id & TG3_PHY_ID_MASK) {
14419 case TG3_PHY_ID_BCM5400: return "5400";
14420 case TG3_PHY_ID_BCM5401: return "5401";
14421 case TG3_PHY_ID_BCM5411: return "5411";
14422 case TG3_PHY_ID_BCM5701: return "5701";
14423 case TG3_PHY_ID_BCM5703: return "5703";
14424 case TG3_PHY_ID_BCM5704: return "5704";
14425 case TG3_PHY_ID_BCM5705: return "5705";
14426 case TG3_PHY_ID_BCM5750: return "5750";
14427 case TG3_PHY_ID_BCM5752: return "5752";
14428 case TG3_PHY_ID_BCM5714: return "5714";
14429 case TG3_PHY_ID_BCM5780: return "5780";
14430 case TG3_PHY_ID_BCM5755: return "5755";
14431 case TG3_PHY_ID_BCM5787: return "5787";
14432 case TG3_PHY_ID_BCM5784: return "5784";
14433 case TG3_PHY_ID_BCM5756: return "5722/5756";
14434 case TG3_PHY_ID_BCM5906: return "5906";
14435 case TG3_PHY_ID_BCM5761: return "5761";
14436 case TG3_PHY_ID_BCM5718C: return "5718C";
14437 case TG3_PHY_ID_BCM5718S: return "5718S";
14438 case TG3_PHY_ID_BCM57765: return "57765";
14439 case TG3_PHY_ID_BCM5719C: return "5719C";
14440 case TG3_PHY_ID_BCM8002: return "8002/serdes";
14441 case 0: return "serdes";
14442 default: return "unknown";
14446 static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
14448 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
14449 strcpy(str, "PCI Express");
14451 } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
14452 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
14454 strcpy(str, "PCIX:");
14456 if ((clock_ctrl == 7) ||
14457 ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
14458 GRC_MISC_CFG_BOARD_ID_5704CIOBE))
14459 strcat(str, "133MHz");
14460 else if (clock_ctrl == 0)
14461 strcat(str, "33MHz");
14462 else if (clock_ctrl == 2)
14463 strcat(str, "50MHz");
14464 else if (clock_ctrl == 4)
14465 strcat(str, "66MHz");
14466 else if (clock_ctrl == 6)
14467 strcat(str, "100MHz");
14469 strcpy(str, "PCI:");
14470 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
14471 strcat(str, "66MHz");
14473 strcat(str, "33MHz");
14475 if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
14476 strcat(str, ":32-bit");
14478 strcat(str, ":64-bit");
14482 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
14484 struct pci_dev *peer;
14485 unsigned int func, devnr = tp->pdev->devfn & ~7;
14487 for (func = 0; func < 8; func++) {
14488 peer = pci_get_slot(tp->pdev->bus, devnr | func);
14489 if (peer && peer != tp->pdev)
14493 /* 5704 can be configured in single-port mode, set peer to
14494 * tp->pdev in that case.
14502 * We don't need to keep the refcount elevated; there's no way
14503 * to remove one half of this device without removing the other
14510 static void __devinit tg3_init_coal(struct tg3 *tp)
14512 struct ethtool_coalesce *ec = &tp->coal;
14514 memset(ec, 0, sizeof(*ec));
14515 ec->cmd = ETHTOOL_GCOALESCE;
14516 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
14517 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
14518 ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
14519 ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
14520 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
14521 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
14522 ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
14523 ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
14524 ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
14526 if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
14527 HOSTCC_MODE_CLRTICK_TXBD)) {
14528 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
14529 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
14530 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
14531 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
14534 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
14535 ec->rx_coalesce_usecs_irq = 0;
14536 ec->tx_coalesce_usecs_irq = 0;
14537 ec->stats_block_coalesce_usecs = 0;
14541 static const struct net_device_ops tg3_netdev_ops = {
14542 .ndo_open = tg3_open,
14543 .ndo_stop = tg3_close,
14544 .ndo_start_xmit = tg3_start_xmit,
14545 .ndo_get_stats64 = tg3_get_stats64,
14546 .ndo_validate_addr = eth_validate_addr,
14547 .ndo_set_multicast_list = tg3_set_rx_mode,
14548 .ndo_set_mac_address = tg3_set_mac_addr,
14549 .ndo_do_ioctl = tg3_ioctl,
14550 .ndo_tx_timeout = tg3_tx_timeout,
14551 .ndo_change_mtu = tg3_change_mtu,
14552 #if TG3_VLAN_TAG_USED
14553 .ndo_vlan_rx_register = tg3_vlan_rx_register,
14555 #ifdef CONFIG_NET_POLL_CONTROLLER
14556 .ndo_poll_controller = tg3_poll_controller,
14560 static const struct net_device_ops tg3_netdev_ops_dma_bug = {
14561 .ndo_open = tg3_open,
14562 .ndo_stop = tg3_close,
14563 .ndo_start_xmit = tg3_start_xmit_dma_bug,
14564 .ndo_get_stats64 = tg3_get_stats64,
14565 .ndo_validate_addr = eth_validate_addr,
14566 .ndo_set_multicast_list = tg3_set_rx_mode,
14567 .ndo_set_mac_address = tg3_set_mac_addr,
14568 .ndo_do_ioctl = tg3_ioctl,
14569 .ndo_tx_timeout = tg3_tx_timeout,
14570 .ndo_change_mtu = tg3_change_mtu,
14571 #if TG3_VLAN_TAG_USED
14572 .ndo_vlan_rx_register = tg3_vlan_rx_register,
14574 #ifdef CONFIG_NET_POLL_CONTROLLER
14575 .ndo_poll_controller = tg3_poll_controller,
14579 static int __devinit tg3_init_one(struct pci_dev *pdev,
14580 const struct pci_device_id *ent)
14582 struct net_device *dev;
14584 int i, err, pm_cap;
14585 u32 sndmbx, rcvmbx, intmbx;
14587 u64 dma_mask, persist_dma_mask;
14589 printk_once(KERN_INFO "%s\n", version);
14591 err = pci_enable_device(pdev);
14593 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
14597 err = pci_request_regions(pdev, DRV_MODULE_NAME);
14599 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
14600 goto err_out_disable_pdev;
14603 pci_set_master(pdev);
14605 /* Find power-management capability. */
14606 pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
14608 dev_err(&pdev->dev,
14609 "Cannot find Power Management capability, aborting\n");
14611 goto err_out_free_res;
14614 dev = alloc_etherdev_mq(sizeof(*tp), TG3_IRQ_MAX_VECS);
14616 dev_err(&pdev->dev, "Etherdev alloc failed, aborting\n");
14618 goto err_out_free_res;
14621 SET_NETDEV_DEV(dev, &pdev->dev);
14623 #if TG3_VLAN_TAG_USED
14624 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
14627 tp = netdev_priv(dev);
14630 tp->pm_cap = pm_cap;
14631 tp->rx_mode = TG3_DEF_RX_MODE;
14632 tp->tx_mode = TG3_DEF_TX_MODE;
14635 tp->msg_enable = tg3_debug;
14637 tp->msg_enable = TG3_DEF_MSG_ENABLE;
14639 /* The word/byte swap controls here control register access byte
14640 * swapping. DMA data byte swapping is controlled in the GRC_MODE
14643 tp->misc_host_ctrl =
14644 MISC_HOST_CTRL_MASK_PCI_INT |
14645 MISC_HOST_CTRL_WORD_SWAP |
14646 MISC_HOST_CTRL_INDIR_ACCESS |
14647 MISC_HOST_CTRL_PCISTATE_RW;
14649 /* The NONFRM (non-frame) byte/word swap controls take effect
14650 * on descriptor entries, anything which isn't packet data.
14652 * The StrongARM chips on the board (one for tx, one for rx)
14653 * are running in big-endian mode.
14655 tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
14656 GRC_MODE_WSWAP_NONFRM_DATA);
14657 #ifdef __BIG_ENDIAN
14658 tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
14660 spin_lock_init(&tp->lock);
14661 spin_lock_init(&tp->indirect_lock);
14662 INIT_WORK(&tp->reset_task, tg3_reset_task);
14664 tp->regs = pci_ioremap_bar(pdev, BAR_0);
14666 dev_err(&pdev->dev, "Cannot map device registers, aborting\n");
14668 goto err_out_free_dev;
14671 tg3_init_link_config(tp);
14673 tp->rx_pending = TG3_DEF_RX_RING_PENDING;
14674 tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
14676 dev->ethtool_ops = &tg3_ethtool_ops;
14677 dev->watchdog_timeo = TG3_TX_TIMEOUT;
14678 dev->irq = pdev->irq;
14680 err = tg3_get_invariants(tp);
14682 dev_err(&pdev->dev,
14683 "Problem fetching invariants of chip, aborting\n");
14684 goto err_out_iounmap;
14687 if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
14688 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717 &&
14689 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5719)
14690 dev->netdev_ops = &tg3_netdev_ops;
14692 dev->netdev_ops = &tg3_netdev_ops_dma_bug;
14695 /* The EPB bridge inside 5714, 5715, and 5780 and any
14696 * device behind the EPB cannot support DMA addresses > 40-bit.
14697 * On 64-bit systems with IOMMU, use 40-bit dma_mask.
14698 * On 64-bit systems without IOMMU, use 64-bit dma_mask and
14699 * do DMA address check in tg3_start_xmit().
14701 if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
14702 persist_dma_mask = dma_mask = DMA_BIT_MASK(32);
14703 else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
14704 persist_dma_mask = dma_mask = DMA_BIT_MASK(40);
14705 #ifdef CONFIG_HIGHMEM
14706 dma_mask = DMA_BIT_MASK(64);
14709 persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
14711 /* Configure DMA attributes. */
14712 if (dma_mask > DMA_BIT_MASK(32)) {
14713 err = pci_set_dma_mask(pdev, dma_mask);
14715 dev->features |= NETIF_F_HIGHDMA;
14716 err = pci_set_consistent_dma_mask(pdev,
14719 dev_err(&pdev->dev, "Unable to obtain 64 bit "
14720 "DMA for consistent allocations\n");
14721 goto err_out_iounmap;
14725 if (err || dma_mask == DMA_BIT_MASK(32)) {
14726 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
14728 dev_err(&pdev->dev,
14729 "No usable DMA configuration, aborting\n");
14730 goto err_out_iounmap;
14734 tg3_init_bufmgr_config(tp);
14736 /* Selectively allow TSO based on operating conditions */
14737 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
14738 (tp->fw_needed && !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)))
14739 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
14741 tp->tg3_flags2 &= ~(TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG);
14742 tp->fw_needed = NULL;
14745 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
14746 tp->fw_needed = FIRMWARE_TG3;
14748 /* TSO is on by default on chips that support hardware TSO.
14749 * Firmware TSO on older chips gives lower performance, so it
14750 * is off by default, but can be enabled using ethtool.
14752 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) &&
14753 (dev->features & NETIF_F_IP_CSUM)) {
14754 dev->features |= NETIF_F_TSO;
14755 vlan_features_add(dev, NETIF_F_TSO);
14757 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
14758 (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3)) {
14759 if (dev->features & NETIF_F_IPV6_CSUM) {
14760 dev->features |= NETIF_F_TSO6;
14761 vlan_features_add(dev, NETIF_F_TSO6);
14763 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
14764 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
14765 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
14766 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
14767 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
14768 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
14769 dev->features |= NETIF_F_TSO_ECN;
14770 vlan_features_add(dev, NETIF_F_TSO_ECN);
14774 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
14775 !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
14776 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
14777 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
14778 tp->rx_pending = 63;
14781 err = tg3_get_device_address(tp);
14783 dev_err(&pdev->dev,
14784 "Could not obtain valid ethernet address, aborting\n");
14785 goto err_out_iounmap;
14788 if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) {
14789 tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
14790 if (!tp->aperegs) {
14791 dev_err(&pdev->dev,
14792 "Cannot map APE registers, aborting\n");
14794 goto err_out_iounmap;
14797 tg3_ape_lock_init(tp);
14799 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
14800 tg3_read_dash_ver(tp);
14804 * Reset chip in case UNDI or EFI driver did not shutdown
14805 * DMA self test will enable WDMAC and we'll see (spurious)
14806 * pending DMA on the PCI bus at that point.
14808 if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
14809 (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
14810 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
14811 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
14814 err = tg3_test_dma(tp);
14816 dev_err(&pdev->dev, "DMA engine test failed, aborting\n");
14817 goto err_out_apeunmap;
14820 /* flow control autonegotiation is default behavior */
14821 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
14822 tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
14824 intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
14825 rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
14826 sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
14827 for (i = 0; i < tp->irq_max; i++) {
14828 struct tg3_napi *tnapi = &tp->napi[i];
14831 tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
14833 tnapi->int_mbox = intmbx;
14839 tnapi->consmbox = rcvmbx;
14840 tnapi->prodmbox = sndmbx;
14843 tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
14845 tnapi->coal_now = HOSTCC_MODE_NOW;
14847 if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX))
14851 * If we support MSIX, we'll be using RSS. If we're using
14852 * RSS, the first vector only handles link interrupts and the
14853 * remaining vectors handle rx and tx interrupts. Reuse the
14854 * mailbox values for the next iteration. The values we setup
14855 * above are still useful for the single vectored mode.
14870 pci_set_drvdata(pdev, dev);
14872 err = register_netdev(dev);
14874 dev_err(&pdev->dev, "Cannot register net device, aborting\n");
14875 goto err_out_apeunmap;
14878 netdev_info(dev, "Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n",
14879 tp->board_part_number,
14880 tp->pci_chip_rev_id,
14881 tg3_bus_string(tp, str),
14884 if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) {
14885 struct phy_device *phydev;
14886 phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
14888 "attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
14889 phydev->drv->name, dev_name(&phydev->dev));
14893 if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY)
14894 ethtype = "10/100Base-TX";
14895 else if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)
14896 ethtype = "1000Base-SX";
14898 ethtype = "10/100/1000Base-T";
14900 netdev_info(dev, "attached PHY is %s (%s Ethernet) "
14901 "(WireSpeed[%d])\n", tg3_phy_string(tp), ethtype,
14902 (tp->phy_flags & TG3_PHYFLG_NO_ETH_WIRE_SPEED) == 0);
14905 netdev_info(dev, "RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
14906 (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
14907 (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
14908 (tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT) != 0,
14909 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
14910 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
14911 netdev_info(dev, "dma_rwctrl[%08x] dma_mask[%d-bit]\n",
14913 pdev->dma_mask == DMA_BIT_MASK(32) ? 32 :
14914 ((u64)pdev->dma_mask) == DMA_BIT_MASK(40) ? 40 : 64);
14920 iounmap(tp->aperegs);
14921 tp->aperegs = NULL;
14934 pci_release_regions(pdev);
14936 err_out_disable_pdev:
14937 pci_disable_device(pdev);
14938 pci_set_drvdata(pdev, NULL);
14942 static void __devexit tg3_remove_one(struct pci_dev *pdev)
14944 struct net_device *dev = pci_get_drvdata(pdev);
14947 struct tg3 *tp = netdev_priv(dev);
14950 release_firmware(tp->fw);
14952 flush_scheduled_work();
14954 if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
14959 unregister_netdev(dev);
14961 iounmap(tp->aperegs);
14962 tp->aperegs = NULL;
14969 pci_release_regions(pdev);
14970 pci_disable_device(pdev);
14971 pci_set_drvdata(pdev, NULL);
14975 static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
14977 struct net_device *dev = pci_get_drvdata(pdev);
14978 struct tg3 *tp = netdev_priv(dev);
14979 pci_power_t target_state;
14982 /* PCI register 4 needs to be saved whether netif_running() or not.
14983 * MSI address and data need to be saved if using MSI and
14986 pci_save_state(pdev);
14988 if (!netif_running(dev))
14991 flush_scheduled_work();
14993 tg3_netif_stop(tp);
14995 del_timer_sync(&tp->timer);
14997 tg3_full_lock(tp, 1);
14998 tg3_disable_ints(tp);
14999 tg3_full_unlock(tp);
15001 netif_device_detach(dev);
15003 tg3_full_lock(tp, 0);
15004 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
15005 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
15006 tg3_full_unlock(tp);
15008 target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot;
15010 err = tg3_set_power_state(tp, target_state);
15014 tg3_full_lock(tp, 0);
15016 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
15017 err2 = tg3_restart_hw(tp, 1);
15021 tp->timer.expires = jiffies + tp->timer_offset;
15022 add_timer(&tp->timer);
15024 netif_device_attach(dev);
15025 tg3_netif_start(tp);
15028 tg3_full_unlock(tp);
15037 static int tg3_resume(struct pci_dev *pdev)
15039 struct net_device *dev = pci_get_drvdata(pdev);
15040 struct tg3 *tp = netdev_priv(dev);
15043 pci_restore_state(tp->pdev);
15045 if (!netif_running(dev))
15048 err = tg3_set_power_state(tp, PCI_D0);
15052 netif_device_attach(dev);
15054 tg3_full_lock(tp, 0);
15056 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
15057 err = tg3_restart_hw(tp, 1);
15061 tp->timer.expires = jiffies + tp->timer_offset;
15062 add_timer(&tp->timer);
15064 tg3_netif_start(tp);
15067 tg3_full_unlock(tp);
15075 static struct pci_driver tg3_driver = {
15076 .name = DRV_MODULE_NAME,
15077 .id_table = tg3_pci_tbl,
15078 .probe = tg3_init_one,
15079 .remove = __devexit_p(tg3_remove_one),
15080 .suspend = tg3_suspend,
15081 .resume = tg3_resume
15084 static int __init tg3_init(void)
15086 return pci_register_driver(&tg3_driver);
15089 static void __exit tg3_cleanup(void)
15091 pci_unregister_driver(&tg3_driver);
15094 module_init(tg3_init);
15095 module_exit(tg3_cleanup);